重新划分栈空间大小、回收不再被使用的内存、将数据从一处移到另一处等等。

These activities include heap space re-sizing, reclamation of memory no longer used, moving data from one place to another and so on.

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但当你更深入到这一课题时，会发现REST本身似乎就是关于在Internet上将数据资源从一处移到另一处，而不是构造一个完整的应用。

But when you start digging into the subject, REST by itself seems to be about moving data resources from one place to the other over the Internet, not building complete applications.

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