来自《耶鲁大学开放课程：金融理论 第1集 第1集》

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  prices you can learn a lot about the world.
  你就能看出很多问题
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  The people trading those things--their life depends on
  交易抵押证券的人们--他们终生致力于
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  fixing the right prices.
  扭转价格偏差
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  Probably they know stuff that you don't know.
  他们可能知道一些你们不知道的事情
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  The prices are going to reflect their opinion.
  价格将会反映他们的观点
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  If the price collapsed part of the reason it collapsed,
  如果价格崩溃了 一部分原因
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  maybe margins and something had something to do with it,
  可能在于保证金什么的
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  but part of the reason it collapsed was because they knew
  还有部分原因是专业人士知道
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  something bad was happening.
  正在发生一些糟糕的事情
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  So for two and half years we've known there's going to be a
  2年半以来我们已经知道
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  major catastrophe in the mortgage market.
  在抵押债券市场将会发生一场巨大的灾难
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  To go from a hundred to sixty and since to twenty is a total
  而这个指数从100降到60再到20