来自《耶鲁大学开放课程：金融理论 第10集 第10集》

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  So your theory of asset pricing today,
  所以你今天的资产定价理论
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  which was based on the assumption that you can forecast the future,
  这是假设你可以预测未来的基础上
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  necessarily implies the theory of asset pricing in the future.
  必然意味着在未来的资产定价理论
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  So you can tell something about how asset prices are going to change,
  所以 你可以说出资产价格会如何变化
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  and of course you can also test the theory
  当然 你也可以测试理论的东西
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  because the theory implicitly is forecasting something about the future,
  因为的理论隐含地是对未来的预测
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  and therefore you can test the theory.
  因此你可以测试这个理论
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  So let's just take a couple examples that are in the notes.
  所以我们就举几个笔记中的例子
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  So we said at the top, if you can read it,
  如我们在上面所写 如果你可以看得到
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  I hope it's not too small--
  我希望这不是太小了
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  I want to move a little quickly
  我要很快地讲解一下
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  so i could be writing this on the board,
  这样我可以在黑板上书写