You want to write the specs so that everybody does in fact know what this piece of code is doing, and you're writing it each time around.

但是你得养成良好的习惯和编程风格,你得撰写规范说明从而保证,每个人都知道这段代码是干什么的。

麻省理工公开课 - 计算机科学及编程导论课程节选

As a matter of convention and good style which is another theme of the course that we'll focus more - on on Friday onward, it's generally good to-- good style to actually describe in English even succinct English, what your program is doing.

大家要养成一个良好的编程习惯,这是本课程另一个重要的中心思想,我会在本周五还有以后的课堂时间着重强调这个问题-,用简明扼要的语言,描述你的程序，是一种很好的编程风格。

哈佛公开课 - 计算机科学课程节选