跟读练习: What is the tragedy of the commons? - Nicholas Amendolare - 通过YouTube学习英语口语
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Imagine as a thought experiment that you live in a small village and depend on the local fish pond for food.
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37 句
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Imagine as a thought experiment that you live in a small village and depend on the local fish pond for food.
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You share the pond with three other villagers.
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The pond starts off with a dozen fish, and the fish reproduce.
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For every two fish, there will be one baby added each night.
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So, in order to maximize your supply of food, how many fish should you catch each day?
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Take a moment to think about it.
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Assume baby fish grow to full size immediately and that the pond begins at full capacity, and ignore factors like the sex of the fish you catch.
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The answer? One, and it's not just you.
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The best way to maximize every villager's food supply is for each fisherman to take just one fish each day.
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Here's how the math works.
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If each villager takes one fish, there will be eight fish left over night.
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Each pair of fish produces one baby, and the next day, the pond will be fully restocked with twelve fish.
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If anyone takes more than one, the number of reproductive pairs drops, and the population won't be able to bounce back.
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Eventually, the fish in the lake will be gone, leaving all four villagers to starve.
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This fish pond is just one example of a classic problem called the tragedy of the commons.
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The phenomenon was first described in a pamphlet by economist William Forster Lloyd in 1833 in a discussion of the overgrazing of cattle on village common areas.
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More than 100 years later, ecologist Garrett Hardin revived the concept to describe what happens when many individuals all share a limited resource, like grazing land, fishing areas, living space, even clean air.
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Hardin argued that these situations pit short-term self-interest against the common good, and they end badly for everyone, resulting in overgrazing, overfishing, overpopulation, pollution, and other social and environmental problems.
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The key feature of a tragedy of the commons is that it provides an opportunity for an individual to benefit him or herself while spreading out any negative effects across the larger population.
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To see what that means, let's revisit our fish pond.
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Each individual fisherman is motivated to take as many fish as he can for himself.
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Meanwhile, any decline in fish reproduction is shared by the entire village.
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Anxious to avoid losing out to his neighbors, a fisherman will conclude that it's in his best interest to take an extra fish, or two, or three.
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Unfortunately, this is the same conclusion reached by the other fisherman, and that's the tragedy.
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Optimizing for the self in the short term isn't optimal for anyone in the long term.
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That's a simplified example, but the tragedy of the commons plays out in the more complex systems of real life, too.
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The overuse of antibiotics has led to short-term gains in livestock production and in treating common illnesses, but it's also resulted in the evolution of antibiotic-resistant bacteria, which threaten the entire population.
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A coal-fired power plant produces cheap electricity for its customers and profits for its owners.
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These local benefits are helpful in the short term, but pollution from mining and burning coal is spread across the entire atmosphere and sticks around for thousands of years.
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There are other examples, too.
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Littering, water shortages, deforestation, traffic jams, even the purchase of bottled water.
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But human civilization has proven it's capable of doing something remarkable.
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We form social contracts, we make communal agreements, we elect governments, and we pass laws.
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All this to save our collective selves from our own individual impulses.
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It isn't easy, and we certainly don't get it right nearly all of the time.
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But humans at our best have shown that we can solve these problems and we can continue to do so if we remember Hardin's lesson.
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When the tragedy of the commons applies, what's good for all of us is good for each of us.
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背景与语境
在这段视频中，演讲者Nicholas Amendolare通过一个生动的例子，探讨了“公共悲剧”的概念。这个概念描述了当多个个体分享有限资源时，如何每个人的短期自利行为最终导致整个群体的失败。视频中的鱼塘故事不仅引人入胜，还揭示了人类社会中的许多复杂问题，无论是环境污染还是公共资源的过度使用，对于学习英语的学生来说，这提供了一个生动的语言学习背景和讨论材料。
日常交流的五个常用短语
- 共享资源 - 指多个个体共同使用的资源。
- 短期自利 - 个体为自身利益做出短期决策。
- 公共利益 - 所有人的共同利益，强调群体的长远利益。
- 生存危机 - 资源枯竭或环境恶化导致的生存问题。
- 社会契约 - 人们制定的协约，以保障共同利益。
逐步跟读指南
为了有效地练习英语口语，尤其是在观看这段视频之后，可以采取以下的跟读步骤：
- 慢速聆听：首次观看时，请关闭字幕，全神贯注于演讲者的发音和语调。
- 分段跟读：将视频分成小段，每段观看后暂停，模仿演讲者的发音和语速。可以在网上找到适合跟读的 shadowing site。
- 重复练习：对较难理解的短语或句子反复跟读，直到你能流利地复述。
- 记录反馈：录像或录音自己的跟读，之后与原声对比，这样可以更好地了解自己的发音和流利度。
- 实际应用：尝试使用在视频中学到的短语进行日常对话，逐步提升你的 英语口语练习 能力。
通过这些练习，不仅可以提高你的 发音，还能帮助你更好地理解和应用“公共悲剧”的概念，丰富你的英语交流内容。记住，通过看YouTube学英语，可以将抽象概念变得具体并具可操作性。
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。