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

Those are questions that are going to frame the two lectures that I give on this novel.

由这两个问题,我把这本书分两堂课来讲。

耶鲁公开课 - 1945年后的美国小说课程节选