And our goal over the next couple of lectures, is basically to give you a sense of this.

我们接下来几节课的目标，就是给你一个关于效率的基本认识。

麻省理工公开课 - 计算机科学及编程导论课程节选

And we want to help you learn how to map a problem into a class of algorithms of some efficiency That's our goal.

学会如何将一个问题,映射到一类,提升效率的算法中去,这就是我们的目标。

麻省理工公开课 - 计算机科学及编程导论课程节选