跟讀練習: What is Supply and Demand? Explained for Beginners - 通過影片學習英語口語
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53 句
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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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you
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背景與背景
在這段影片中，講解者向我們介紹了供需關係的重要性，這對於理解價格波動有著深遠的影響。無論是音樂會門票、旅遊費用還是日常消費品的價格，供需關係揭示了市場經濟的核心機制。通過學習這些概念，英語學習者不僅可以提高他們的經濟知識，同時也能幫助他們在日常交流中更流利地使用英語。
日常交流中的五個重要短語
- 什麼是供需關係？ - 用於詢問概念的定義。
- 價格為何會上漲？ - 理解價格變動原因的問法。
- 我想要買票，但價格太高了！ - 表達對現有價格的不滿。
- 供給和需求的平衡是什麼？ - 探討市場均衡的重要問題。
- 如何預測價格變化？ - 詢問分析市場趨勢的方法。
逐步影子跟讀指南
對於想要提高英語發音和口語能力的學習者，通過影子跟讀的方式是一個非常有效的練習方法。以下是針對這段影片的逐步影子跟讀指南：
- 選擇合適的段落。 - 從影片中挑選出你最感興趣的部分，比如供需關係的定義或者具體的例子。
- 先聽後跟。 - 每次播放影片的一小段，先專注聽講解者的發音和語調。
- 模仿發音。 - 停頓後，嘗試用相同的語音語調來復述剛才聽到的內容。注意重音和停頓。
- 錄音回放。 - 錄下自己的聲音，之後再與原影片進行比較，這樣可以更好地發現自己的發音差異。
- 不斷重複。 - 重複這個過程，直到你能夠自如地複述整個段落，達到提高英語口語練習的目的。
通過這種方式，不僅能增強對影片內容的理解，同時也可以提升你的英語口語能力。看YouTube學英語，結合影子跟讀的練習，能夠幫助你在日常溝通中更加自信，流利地表達自己的想法。
影片中的語法
說話人最常用的結構，並附上影片中的原話：
| 結構 | 影片中的用法 |
|---|---|
| 被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的 | are sold · is called |
| “will” 表將來 will + 動詞 — 決定、承諾或預測 | You'll save · you'll never look · will happen |
| 現在進行時 am/is/are + -ing — 此刻或近期正在發生的事 | you're planning · you're thinking |
什麼是跟讀法？
跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。