I need a contract that says, here's what I want in terms of things that you're going to take as input, to begin your part of the drama, here's what you're going to produce at the output, and the details of what they do inside are up to them.

这些作家相互沟通进行工作呢？,我需要一封规格说明书,我需要一份合约，上面列出了我想要你做的事，这些是你要再开始时做的输入,这些是你要的输出,细节工作就取决于它们了。

麻省理工公开课 - 计算机科学及编程导论课程节选

So one of the things I want you to notice here is that testing and debugging are not the same thing. When we test, we compare an input output pair to a specification.

这里我想大家注意的一件事,就是测试和调试是不同的两件事情,我们测试的时候，我们把输入输出,跟程序的规格说明书对比下。

麻省理工公开课 - 计算机科学及编程导论课程节选