The notes are intended as an introduction to the course.

这些笔记的目的是作为对这门课程的介绍。

《牛津词典》

As an introduction, Pablo said.

首先，Pablo介绍说。

youdao

For many people, three years of law school serve only as an introduction.

对很多人来说，三年的法学院学习只能是一个入门。

youdao

And as an introduction to faces I have a brief film clip from Paul Ekman, who is one of the world's great scholars in the study of facial expressions.

作为对脸的简介,我播放保罗，艾克曼的短片，他是伟大的学者,对面部表情很有研究。

耶鲁公开课 - 心理学导论课程节选

I see this as a course that's an introduction to the literature of a period, to modern poetry.

我觉得，这只是一门引导性课程,引导大家关注某一时期的文学创作和现代诗歌。

耶鲁公开课 - 现代诗歌课程节选

Jobs always uses his keynote address as an introduction platform for new products from Apple.

FORBES: Magazine Article

But even without credit, courses can serve as an introduction to a subject, supplement coursework or help with job retraining.

WSJ: College Courses Expand Online

One way to look at the Facebook IPO is thus to regard it more as an introduction than a flotation.

FORBES: Facebook's Introduction to Rather Than Flotation on the Stock Market