And I have to admit, I did the standard thing you do every time you run across something you don't know about, you go to Wikipedia.

额外的名为self的变量，那么什么是self呢？,我需要承认，我做了大家当碰到，不会的问题都会做的标准的事情。

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and then it gets trade off with, you know, a month of, a month of time off afterwards to go and run on the beach.

然后这是一种权衡，之后可以换来一个月的休息时间，到海滩去玩。

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