What is the purpose of the test, by the way?

顺便说下，测试的目的是什么？

麻省理工公开课 - 固态化学导论课程节选

It's in here to--intended to do two things: One to show you something about the method that we will be using in here and two, to show you something of the level of this course-- the level of the course.

这个测试的目的是,第一,向你展示一些我们的教学方法,第二,告诉你本课程所处的水平,本课程的水平

耶鲁公开课 - 聆听音乐课程节选