跟读练习: What is Supply and Demand? Explained for Beginners - 通过视频学习英语口语
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Have you ever wondered why prices rise when we want something most?
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You'll save up for a concert, but the tickets will sell out in seconds and cost a fortune.
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Or you're planning a vacation and it costs less to travel in September than in July.
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What's going on?
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It's the invisible forces of supply and demand shaping everything you see.
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Stick around and you'll never look at a price tag the same way again again.
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Supply and demand are the forces that shape nearly every price you see.
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Supply means how much of something is available.
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Demand is how much people want it.
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When demand goes up and supply stays the same, prices rise.
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When supply increases and demand drops, prices fall.
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We can see these forces at work wherever wherever we look in the world around us.
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Take these two musical artists as an example.
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Our first musical artist is an international star.
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The demand for her concerts is legendary.
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When tickets went on presale, 10 million people rushed to sign up, but only 1 million tickets were available.
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Because demand for tickets is high and supply is limited, she can charge a lot of money for each ticket.
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Our second musical artist is new to the scene.
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He advertises his latest show at a local venue, but demand for tickets is low.
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After a few weeks, there are still plenty of tickets left.
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Because the supply of tickets is high, but the demand is low, he lowers the ticket price to encourage people to buy them.
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Economists use graphs to show how supply and demand interact.
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Let's see how it works.
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The vertical axis, or Y axis, shows price.
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In our example, how much a concert ticket costs.
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The horizontal axis, or X axis, shows quantity.
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How many tickets are sold.
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Every point on this graph shows a combination of a price and a quantity.
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Now let's add the demand curve and the supply curve.
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A demand curve always slopes downward, like a slide.
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Why?
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Because when prices go up, demand goes down.
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In our example, as prices of tickets go up, fewer fans can afford the tickets.
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The demand naturally curves down as the price goes up.
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As the prices go down, more fans want the tickets and can afford them, so demand goes up.
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A supply curve slopes upward, like walking up a hill.
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Why?
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Because sellers want to make money.
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The higher the price of a ticket, the more profitable the concert becomes, so the venue is willing to sell more tickets.
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The line starts low on the left and climbs to the right to show the rising price of the good, in this case, a concert ticket.
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When we put both lines on the graph, they cross at one point.
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That point is called the equilibrium, the point where supply and demand meet.
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In our example, it's the price fans are willing to pay
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and the number of tickets the venue or musical artist is willing to sell.
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If a concert becomes super popular and demand goes up, prices rise.
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Fans are willing to pay a premium to see their favorite artist perform.
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If fewer people want to go, demand decreases and prices fall as the venue lowers ticket prices to fill seats.
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Economists use these graphs because they help us predict what will happen in the real world.
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From concert tickets or sneakers to electronics and toys.
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Once you understand supply and demand, you can understand almost any price you see.
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So the next time you see something selling out fast or suddenly getting cheaper, you'll know exactly what's going on behind the scenes.
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You're not just a shopper, you're thinking like an economist.
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背景与背景
在这段视频中，讲解者向我们介绍了供需关系的重要性，这对于理解价格波动有着深远的影响。无论是音乐会门票、旅游费用还是日常消费品的价格，供需关系揭示了市场经济的核心机制。通过学习这些概念，英语学习者不仅可以提高他们的经济知识，同时也能帮助他们在日常交流中更流利地使用英语。
日常交流中的五个重要短语
- 什么是供需关系？ - 用于询问概念的定义。
- 价格为何会上涨？ - 理解价格变动原因的问法。
- 我想要买票，但价格太高了！ - 表达对现有价格的不满。
- 供给和需求的平衡是什么？ - 探讨市场均衡的重要问题。
- 如何预测价格变化？ - 询问分析市场趋势的方法。
逐步影子跟读指南
对于想要提高英语发音和口语能力的学习者，通过影子跟读的方式是一个非常有效的练习方法。以下是针对这段视频的逐步影子跟读指南：
- 选择合适的段落。 - 从视频中挑选出你最感兴趣的部分，比如供需关系的定义或者具体的例子。
- 先听后跟。 - 每次播放视频的一小段，先专注听讲解者的发音和语调。
- 模仿发音。 - 停顿后，尝试用相同的语音语调来复述刚才听到的内容。注意重音和停顿。
- 录音回放。 - 录下自己的声音，之后再与原视频进行比较，这样可以更好地发现自己的发音差异。
- 不断重复。 - 重复这个过程，直到你能够自如地复述整个段落，达到提高英语口语练习的目的。
通过这种方式，不仅能增强对视频内容的理解，同时也可以提升你的英语口语能力。看YouTube学英语，结合影子跟读的练习，能够帮助你在日常沟通中更加自信，流利地表达自己的想法。
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。