当发生问题了，你就问五次为什么。

When something goes wrong, you ask "why?" five times.

youdao

当发生问题时，代码的作者或维护该代码的人员只能猜测问题的根源。

This code will leave the author or maintainer to make guesses about the source of the problem — when problems start occurring.

youdao

“当风不吹或太阳不照耀时会发生什么？”这个问题一出，迅速让怀疑论者难堪不已。

The question "what happens when the wind doesn't blow or the sun doesn't shine?" has provided a quick put-down for skeptics.

youdao

Good question, so what happens when you format a floppy disk or format a hard drive?

好问题，当你格式化一个软盘,或者硬盘时会发生什么呢？

哈佛公开课 - 计算机科学课程节选

The problem only arises if you have an int divided by an int.

这个问题只会发生在,当你用一个整型数除以一个整型数的时候。

哈佛公开课 - 计算机科学课程节选

But it's all different degrees of terrible, if you will, because so many people in the population share that biological vulnerability and when the environment changes, we have the problems.

只要愿意,这造成的恐慌程度是不同的,因为在人群中有很多这样的群体,他们都有这种生物易损性,当环境发生变化时,就会出现问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选