And the fourth thing to notice is, I've used abstraction. I've said nothing about how I'm going to make square root.

第四件事情就是，我运用了抽象,我对怎么去求平方根没有提及。

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I'm selling tickets to a comedy show at the Times Square Art Center,

我在时代广场的艺术中心卖喜剧表演的门票，

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Well, I'm going to get back, let's just draw a bigger square than usual that's roughly four times the size.

嗯，返回的是，我画一个更大的方形,大致上是4倍的大小。

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I'm closer to the city now and square-footage is a premium.

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