And he says his builders use the same building methods as traditional builders to keep out rain.

VOA: special.2009.10.05

Right, one the things you can see now is, we start building up classes, we get these methods.

实际上是相等的，好，你们现在，可以明白的一件事情是。

麻省理工公开课 - 计算机科学及编程导论课程节选