如果你不知道你的想法从哪里来，你可能在模仿一个模仿者。

If you don't know where your ideas are coming from, you're probably imitating an imitator.

youdao

不知道身份的东西从哪里来。很确定你不需要在这里。

No idea where the IDENTITY stuff comes from. Pretty sure you don't need it here.

youdao

无论你说了还是没有说，你不知道话是从哪里来的。

Can you tell me whether I can do it like this or not?

youdao

I'm much better having an exception get handled at the time of input than to let that prop -- that value rather propagate through a whole bunch of code until eventually it hits an error 17 calls later, and you have no clue where it came from.

不是我期望的格式,这时我最好有一个异常处理,而不是让其传下去,这个值传到代码的整个分支,最终会导致一个错误17调用的发生，并且你不知道这个错误是哪里来的。

麻省理工公开课 - 计算机科学及编程导论课程节选