So something has happened there that wasn't what I expected. Who wants to tell me what that bug is? Yeah?

我已经知道哪一句声明出问题了,一些和我预期不同的事情发生了,有人能告诉我bug在哪儿么？

麻省理工公开课 - 计算机科学及编程导论课程节选

Otherwise, do something different.

否则，做一些不同的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选