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 this is just a dumb text editor called Nano, dumb in that it's very simple which is nice because it eliminates a lot of the complexities of learning a new tool when really all you wanna do is solve an actual problem.

这是NANO文本编辑器，它很简单，可以消除因学习这个新工具,而带来的许多复杂问题,你真正需要做的就是解决一个实际问题。

哈佛公开课 - 计算机科学课程节选