Again, I don't want to make too much of my estimates because different people would estimate these things in different ways, but that's the theory.

再说一次，我不想太过强调我的估算,因为不同的人,会用不同的方法估算这些数据，但这只是个理论。

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He estimates, for his purposes, and he shows you calculations of the efficient portfolio frontier.

他用自己的角度估算了参数,他还给出了计算有效边界的方法。

耶鲁公开课 - 金融市场课程节选

Well, there are pretty gross ways of estimating these things that typically get used.

有种非常粗略的估算方法,而且是通常的做法

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