来自《耶鲁大学开放课程：金融理论 第9集 第9集》

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  and it's kept it there, because from December 2008 till
  就在那 因为从零八年十二月到现在
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  now, we're at October 2009,
  零九年十月
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  September 30^, 2009, a long time has passed
  截至零九年的12.30 从这条
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  from this dark blue to the light blue line,
  深蓝色到这条浅蓝色曲线历经很长时间
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  and the rate has been kept fixed there.
  利率一直不变
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  But in the intervening time, the long rates have started to
  但在这此期间 长期利率已经
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  go way up.
  开始上升
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  Now why might that be the case?
  为什么会是这种情形
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  What does that suggest to anybody?
  这对我们是否有一种启示
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  Does anybody know?
  你们谁知道
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  Yeah?
  你
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  That could be one reason, and could there be
  -这是原因之一 还有别的的