Just a few small points. First of all, keep in mind that the bug is probably not where you think it is. Because if a bug were there, you'd have already found it.

第一，记住错误可能不是，发生在你认为的地方,因为如果那儿有一个错误,你可能已经找到了它。

麻省理工公开课 - 计算机科学及编程导论课程节选

it turns out, that this will be a bug, and I want you to think about why it's wrong for me to put this check here.

结果表明我们这儿有一个漏洞，我希望你们去想一想为什么,我把这个check放在这儿就出现漏洞了。

麻省理工公开课 - 计算机科学及编程导论课程节选

In Python, it'll find it, I think one bug at a time, right John?

在Python中，它会找到它的，我觉得一回能找一个漏洞，对么John？

麻省理工公开课 - 计算机科学及编程导论课程节选