来自《耶鲁大学开放课程：金融理论 第1集 第1集》

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  of the Standard Theory.
  关于传统理论的例子
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  So these are things that I'm guessing you'll have,
  我猜想你们目前对这些问题
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  at least some of them, trouble figuring out how to
  至少某些问题 还回答不上来
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  answer now, but by the end of the course
  但是这课结束的时候
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  this should be totally obvious to you.
  你们应该都能明白这些问题了
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  So suppose you win the lottery, forty million dollars,
  假设你中了乐透 4000万美元
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  it's a hundred million dollars, the lottery.
  是10000万美元
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  Now they always give you the choice.
  他们让你选择
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  Do you want to take five million a year over twenty years
  是每年拿500万 拿20年呢
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  or just get forty million dollars right now?
  还是现在拿4000万美元
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  Which would you do and how do you think about what to do?
  你会怎么选 你会怎么想
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  So now you get tenure at Yale at the age of 50, say.
  如果你50岁的时候得到耶鲁的聘用