来自《耶鲁大学开放课程：金融理论 第8集 第8集》
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So 12.2 percent, now why isn't that the right就是百分之12.2 为什么不是正确的 -
number?数字呢 -
Why might you think there should be another number?为什么认为还有其他的数字 -
What's another number?另一个数是多少 -
What's the matter with that--way back there?这的问题是啥 -
Student: It's grossly inflated by that last year's 50因为最后一年百分之五十的收益率而变得 -
percent return.大了 -
Well, is it grossly inflated,是被夸大了 -
but why is it grossly inflated by that?为什么这会被夸大了呢 -
Student: There are going to be lots of years where it很多年都不会有这么好的 -
doesn't do that.收益 -
That's true, but you've taken that into account.确实是 你需要把这点考虑进去