OK. Now, last thing about variables, and then we're going to start pushing on this, is where can you use them?
好,关于变量的最后一件事,然后我们就要,结束这个话题了,这个问题就是在什么地方可以应用变量?
So if we start actually pushing ourselves to think about examples-- does it really take one to know one--the answer is, at least as a general claim, it's not true.
所以假如我们开始,深入探讨一些例子,到底需不需要同类才能互知 答案是,至少通常来说,这是不需要的
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