That means--his calculations are very different than the ones I have because he has a much longer sample period.

那表明。。。他的计算结果与我的大相径庭,因为它数据的取样跨度比我的长多了。

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That's what I got using this sample period.

这就是用这个取样期间的数据得出的结果。

耶鲁公开课 - 金融市场课程节选