The two best debugging tools are the same now that they have almost always been.

最好的两个调试工具一直,以来基本没怎么变过。

麻省理工公开课 - 计算机科学及编程导论课程节选

For at least four decades, people have been building tools called debuggers.

在过去的至少四十年里,人们一直在做一种叫做调试器的工具。

麻省理工公开课 - 计算机科学及编程导论课程节选

So printf itself is primitive but useful debugging tool.

printf“本身在早期就是有用的调试工具。

哈佛公开课 - 计算机科学课程节选

I guess it's not macho enough, John, to just, you know, you know, go off and do things by hand, you ought to just run them, but it's a valuable tool to get into, so let me do that here.

我认为这不太男人了，John，你知道的，他们仅仅是认为比起用手做来,更应该直接去运行程序，但是这确实是调试代码的非常有价值的工具，让我在这里给大家演示下吧。

麻省理工公开课 - 计算机科学及编程导论课程节选