来自《耶鲁大学开放课程：金融市场 第10集 第10集》

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  We issue a lot of–there are a lot of auctions of Treasury bills and
  我们发行了很多短期国债
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  there are comparatively fewer of bonds.
  而长期债券则相对较少
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  So, let's talk about a bond.
  下面 我们来讨论一下长期债券
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  A bond differs from a bill in that
  它与短期债券的不同在于
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  it carries what's called a coupon,
  其带有所谓的"息票"
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  which I will denote by the letter C,
  我用字母C来表示
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  and it has a principal,
  它还有本金
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  which it pays out at the end--
  最后将被返还
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  of one hundred.
  比如说100元
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  Of course, there would be larger denominations than $100,
  当然 面额肯定大于100美元
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  but by tradition,
  但是按照传统
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  we speak of them as if they were
  我们在讨论长期债券的时候