来自《耶鲁大学开放课程：金融理论 第1集 第1集》

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  You could have had eight trades.
  你们本能完成八笔交易
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  so what did happen?
  怎么回事呢
• 
  
  Nothing like that happened.
  以前从没这样过
• 
  
  You had five trades, five pairs of people traded,
  你们只完成了五笔 五对人交易成功
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  and there are those three poor schlumps,
  还有三对可怜的傻帽
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  pairs of people at the end looking despondent, hopeless,
  看起来既沮丧又无助
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  unable to trade, worried that they were on camera.
  没能完成交易 担心摄像机前丑态毕露
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  Now, let's see, who are the people who traded?
  咱们看看 这些完成了交易的人是谁
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  So, (TA), name the buyers who bought.
  助教点下卖出的卖家的名字
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  Teaching Assistant: I don't know the names.
  我不知道名字
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  Prof: The prices.
  念价格
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  Teaching Assistant: The seller got it for nine
  拿着价值九元票的卖家