来自《耶鲁大学开放课程：金融理论 第8集 第8集》

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  practically nothing.
  几乎就是一文不值
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  So when they're 50 and 60 they're paying
  当他们50到60岁时
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  practically--they're peanuts to them, but when they were young
  实际上支付的非常少 但是年轻时
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  it was really a hardship.
  这确实不小的担子
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  So there's a big problem with nominal mortgages,
  因此名义抵押债券就大问题
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  which is that in inflationary times it kills the housing
  问题是在通胀时期扼杀了房产
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  market.
  市场
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  Fortunately we're not in inflationary times.
  幸运的是我们现在没在通胀时期
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  Any questions about that?
  还有其他问题吗
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  All right, so that's the basic lesson of taking the present
  这就是现值部分的基本
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  value.
  知识
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  And again, you've always got to sort out the nominal from the
  再强调一次你需要区分名义和实际