All right now, now what I'd like you to do is just sort of do a guestimate in your mind of the percentage errors you might have made overall in these estimates, and I'll come back and ask you in a minute.

好了,现在,现在我希望你们,在脑海中估算下你们预测的百分误差,你们可以就总值做一个估算,我会在一分钟后问你们

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A third example is when you're pondering something. Maybe you haven't quiet made up your mind,

第三种情况是，当你在思考一些事的时候，你可能还没有完全想好。

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