跟读练习: 3 game theory tactics, explained - 通过视频学习英语口语
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Any time that you're interacting with another person who has their own interests and is trying to achieve their own ends, they are trying to do the best they can, given what they want.
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You're trying to do the best you can, given what you want.
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And so you're interacting in a strategic situation.
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Game theory is a mathematical theory that attempts to make sense of how it is that people interact in these strategic situations.
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John von Neumann wrote a very important book called The Theory of Games with a guy named Oscar Morgenstern.
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And in there he laid out game theory.
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Game theory is the study of decision making under conditions of uncertainty over time.
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It was originally developed in economics in order to try and understand economic behavior, like why people buy certain things or why they're willing to work for certain wages.
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But later on it was expanded and applied to a variety of different situations including biology,
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international relations, and even interpersonal relations like friendship and parenting and family relations.
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One of the things that game theory has really shown us through recent study has been interactions
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that we oftentimes think as zero-sum or competitive are not as competitive as they seem.
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In situations like in the Cold War, which most people thought, that's got to be a zero-sum game if anything is,
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we discovered that actually there were opportunities for mutual cooperation.
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Arms reduction treaties are a great example.
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The U.S and the USSR figured out that if they could find a way to cooperate, they could both save an enormous amount of money and effort by reducing the number of weapons that they have.
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Reagan and Gorbachev negotiated the START treaty with one another.
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And one of the big problems that they had is, how can you be sure that while you're eliminating nuclear weapons, your adversary is also eliminating nuclear weapons?
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So rather than saying, we're just going to get rid of some large percentage of our nuclear weapons
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and hope that the USSR would do so as well, they broke up the interaction into a bunch of little tiny ones.
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So the USSR would eliminate just a few nuclear weapons, then the US would eliminate just a few nuclear weapons.
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They would check, and then they would go on to the next stage.
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And then each would eliminate a few more, and they'd go on to the next stage.
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This process of taking a big interaction
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and breaking it down into little small parts can change a bad social dilemma into a positive interaction.
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What I do in my personal life, and I think almost everyone can do in their personal life, is to try and think, in this interaction, what outcome would be good for both parties?
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And how can we achieve that outcome?
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And by thinking about everything in that way, we oftentimes transform something that seems like a situation where there has to be a winner
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and there has to be a loser into one where nobody feels like they've lost and everybody benefits.
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JOHN VAN NORMANN based game theory on a stripped-down version of poker.
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In any given poker situation, you're dealing with a lot of uncertainty
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and it's all about how to make the best decision in any given moment and that's so integral to life.
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Everything we try to do, you know, should we take this route or that route, should I go here on vacation or there, it's all about dealing with uncertainties and probabilities of things happening
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and poker is a very fun and easy way to teach someone how to do that.
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First rule of thumb is how to extract the most money
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or chips from your opponent when you have a strong hand
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and how to lose the minimum when you have a weak hand.
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You're never going to be 100% certain where you are, are you beating them or do you have a worse hand.
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So you have to sort of construct a strategy that is mathematically optimal in each situation.
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The most damaging bias that can come up in poker, and I also think very often in life, is the sunk cost fallacy.
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Where you'll have a lot of chips, perhaps almost all of your stack is in the middle,
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and yet you are 85 to 90 percent confident that you have the worst hand.
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Putting another chip in the pot is probably not a good idea, but we'll often go to ourselves, Ah, well, I've gone this far, I've put this much in, I might as well see it through to the end.
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But if you have very strong information that actually from this point onwards, putting more money in the pot is a bad idea, then you shouldn't.
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But we have this belief that, well, I've put this much time in or this much effort, that we should continue on.
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That can be very, very costly.
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Once you start paying attention to the sunk cost fallacy, once it's on your radar, you'll probably notice at least a few things that you wish you were doing differently.
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Those might be small scale.
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In my case, I'm now much more willing to abandon a book
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that I've realized I'm not enjoying and not getting any value out of,
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rather than trudging dutifully through the remainder of the book just because I've already come 100 pages.
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These changes might also be large scale.
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For example, I was in a PhD program and at a certain point
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realized with increasing certainty that I wasn't happy in this field and would probably be better off switching.
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And that the only reason
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that I had stuck with it as long as I had was
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because of my fear of confronting the sunk cost of four to five years
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that I'd spent preparing for and working in the PhD.
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And sometimes it really does take time to fully acknowledge to yourself
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that you don't have any good reason to stick with the job
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or PhD or project that you've been working on so long because sunk costs are painful.
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But at least having the sunk cost fallacy on your radar means
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that you have the opportunity at least to push past that
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and make the choice that instead will lead to the better outcomes for your future.
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Game theory spent much of its early days analyzing zero-sum games where one party is going to win
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and the other party is going to lose and trying to figure out what's the best strategy.
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What game theorists have figured out is
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that in zero-sum games the best strategy to pursue
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when you're against a sophisticated opponent is to adopt the strategy which minimizes your maximum loss.
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This is sometimes called the mini-max strategy.
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So the idea is you think, what's the worst case scenario for me?
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What could my opponent do that would make me worse off?
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And then you figure out what's the best strategy against that.
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So you're minimizing your maximum loss.
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Game theorists prove that if you use this way of thinking, minimizing your maximum loss, you ensure that no matter how sophisticated your opponent is,
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you've guarded against the worst case scenario.
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And not only that, but in zero-sum games, you've done the best you can possibly do.
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Get smarter, faster, with videos from the world's biggest thinkers.
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本节课学习要点
通过本节课，你将练习如何清晰表达复杂概念（如博弈论策略），同时提升在英语口语中分析性内容的组织能力。视频内容涵盖博弈论的基本定义、实际应用及核心策略，非常适合用于雅思口语练习中的逻辑思维训练。你可以结合shadowing site的方法，模仿视频中的语速和语调，增强口语表达的流畅性与说服力。
核心词汇与短语
- 博弈论（Game theory）：研究策略性互动决策的数学理论
- 零和博弈（Zero-sum game）：一方收益必然导致另一方损失的情境
- 最小最大策略（Minimax strategy）：通过最小化最大损失来制定策略
- 沉没成本谬误（Sunk cost fallacy）：因已投入成本而继续坚持无价值的行为
- 战略情境（Strategic situation）：多方为实现自身目标而互动的场景
Shadowing练习技巧
视频讲解语速中等，逻辑严谨，适合作为shadow speak练习素材。练习时，建议先逐句跟读，重点关注长句的断句（如“博弈论是一种数学理论，试图理解人们在这些战略情境中的互动方式”），模仿说话者的重音位置（通常落在核心概念上，如“ mutual cooperation ”）。对于“沉没成本谬误”这类复杂术语，可通过重复跟读强化发音准确性。此外，视频中对案例的分析（如冷战军备条约）包含大量因果逻辑表达（“因为……所以……”“通过……方式”），可着重练习此类句式，提升口语中的逻辑连贯度。坚持使用shadowspeaks方法，每天练习15分钟，可有效改善英语口语的流畅性与表达精度。
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事 | has really shown · they've lost · I've gone |
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | was expanded · is sometimes called |
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。