来自《耶鲁大学开放课程：博弈论 第24集 第24集》

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  So think about pure consumption goods over here.
  所以想一想纯消耗品
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  And even in these pure consumption goods
  即使在这些纯消耗品中
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  I mustn't get any psychological value out of thinking
  我不能在"我得到了这个蛋糕而你没有"的这个情况中
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  I managed to get that cake and you didn't.
  得到任何心理上的快感
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  So the private value case is really an extreme thing,
  所以私人价值真的是很极端的东西
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  but it turns out to be a useful abstraction
  但当我们考虑得更长远时
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  when we come to consider things further.
  它实际上是一个实用的抽象概念
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  Now, where have my jars got to?
  我的罐子传到哪了
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  So I've got certainly two rows I can play with here.
  现在有两行人可以跟我一起互动
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  Let's talk about this auction for the jars.
  我们来说一下这些罐子的拍卖
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  So what we're going to do is we're going to have people bid
  我们将会让人们
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  for the value in the jar.
  为这个罐子的价值竞标