注意最后一段，如果我要这样做，也就是运行所有可能的答案，我还是想知道要是没有结果呢？，在这个例子中应该返回什么呢？

Notice one last piece. If I'm going to do that, run through all possible answers, I still want to know, gee, what if there aren't any answers? How do I return that case?

youdao

“我只是不知道怎样控制我自己……”我说道，强忍住不笑出声来，可是基斯一直嬉皮笑脸地盯着我看，结果我还是没有忍住？

"I just don't know how I contain myself..." I said trying not to laugh but failing as Keith continued to stare at me grinning from ear to ear.

youdao

所以假如我没有收到一个响应，我怎么知道是哪一种结果呢？

So if I never receive a response, how do I know which of those two results happened?

youdao

Notice one last piece. If I'm going to do that, run through all possible answers, I still want to know, gee, what if there aren't any answers? How do I return that case?

注意最后一段，如果我要这样做，也就是运行所有可能的答案，我还是想知道要是没有结果呢？,在这个例子中应该返回什么呢？

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