So it's not only augmenting materially what you're teaching, but also extends the range of what you can teach in these introductory courses.

所以这不仅仅是物质上的积累,你所教授的东西，更是在延伸,你能讲的内容,在这些入门课程中。

麻省理工公开课 - 媒体、教育、市场课程节选

And I like it. I took an introductory Accounting course in the undergrad

而且我喜欢会计学。本科的时候我上了一门入门会计课程，

为什么是会计学呢？ - SpeakingMax英语口语达人