All right, and initially, well, maybe initially, momentum just to be simple I'm going to start false momentum equal to false.

好了，首先，为了简单起见，我会让,先等于。

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And this can be asked at all sorts of levels but a simple level is what makes for a pretty face?

这可以在很多层面上问及,但一个简单的层面就是什么才是好看

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