来自《耶鲁大学开放课程：金融市场 第3集 第3集》

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  The value of money changes through time
  货币的价值因时而异
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  because of inflation or deflation;
  那是因为存在通货膨胀和通货紧缩
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  yet, most of our debts are written in money terms.
  但是 我们大多数负债都以货币方式记录
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  That is, they're not indexed for inflation.
  也就是说 他们不受通货膨胀影响
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  If you wanted to have a real frame,
  如果你想以实物框架理念来看的话
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  then you would index to the consumer price index
  你就得将消费物价指数或者
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  or some other inflation index.
  其它通胀指数考虑在内
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  Most of us are accustomed to a money frame,
  我们大多数人都习惯了货币框架理念
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  so most of us--when we lend money to each other,
  因此 我们大多数在借给别人钱时
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  we do it in money terms.
  都以货币形式操作
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  You merely say--For example,
  比如
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  if your friend asked to borrow $100 from you,
  你的朋友向你借100美元