如果您熟悉web开发，您一定知道分隔功能代码的好处。

If you're familiar with web development, you know the benefits of separating functional code.

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被称为“集成环境”，是因为签入功能代码会与其他功能代码完全集成。

It is called the integration environment because it is where the feature should be fully integrated with all other features.

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如果你有类似的代码， 只需要把功能代码交换一下位置，然后使用if吧。

If you have code like this, just swap the code doing the work and use if.

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Thing I've got a little procedure that could do that, but you know the simplest thing I could do is to say well, gee, wait a minute, why don't I just check to see if these are the same thing?

这两个点是同一个点么？,我已经写了一小块代码，可以提供这个功能,但是你知道的我可以做的，最简单的事情就是说好，嗯？,等等，我为什么不直接去看看,这两个东西相等不相等呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

This chunk of code and this chunk of code, they're really doing the same thing.

这一块代码和这一块代码，它们实际上是相同的功能。

麻省理工公开课 - 计算机科学及编程导论课程节选

So this code is identical functionally nonswitch c to the last implementation we saw, nonswitch.c, but I'm just ever-more emphatically saying, "In case 1," that is when n equals 1 -- or when case 2 applies -- when n equals 2 or when n equals 3 do what?

所以这些代码到最后的实现上，功能是,完全相同的，但是我想要再次强调一下，“在case，1“，那是当n等于1时1,或者当case，2适用-,当n等于2或者当n等于3，它将做什么？

哈佛公开课 - 计算机科学课程节选