And you squat in boxcars and read it?

你坐火车的时候也会拿它出来看？

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It's not hard to make friends when you squat on a terrasse twelve hours a day.

你若一天十二个时蹲在露天咖啡座上，交朋友便不是什么难事。

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Stand as close to the object as possible, positioning it between your knees as you squat.

先站到尽量靠近物品的位置，在你蹲下时物品要在两膝中间。

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What is this? This is a wonderful piece of abstraction. It is saying, you don't need to know squat about what's inside the body of this function. You don't have to worry about the parameter names, because they're going to be preserved, you don't need to worry about how I'm doing it, this tells you how you can use this, in order to use it correctly. Of course, I can then close it off, and off we go.

但是这能告诉你一些信息,这是什么？,这是一段完美的抽象,它的意思是你不需要知道,这个函数的内部构造，你不必担心参数是否重名，因为它们已经被预存了,你不需要担心我如何使用它,它告诉了你你该如何操作，从而正确的使用它，当然我也可以把它关掉。

麻省理工公开课 - 计算机科学及编程导论课程节选

But if you do have to lift, "do more of a knee squat, your back arched as if looking to the sky, " Goitz advises.

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