When you're teenagers, you don't quite know what to write on there. Little Os and Xs for kisses and things like that.

VOA: special.2010.02.08

So you know everywhere on this picture you could write down exactly what the sequence of nucleotides are that make up this vector.

所以你能准确的知晓,组成图上这个载体的任何一处的核酸序列

耶鲁公开课 - 生物医学工程探索课程节选

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