Before I get to that let me just say-- I want to just mention a few types of insurance that are important.

在讨论这个之前我想先说说...,我想讲几种类型的保险,它们很重要

耶鲁公开课 - 金融市场课程节选

There are actually quite a few different types of smiles that are different in interesting ways.

确实有不同的微笑种类,有很多不同的有趣的方式。

耶鲁公开课 - 心理学导论课程节选

It is structured and ordered into a few basic regime types. In this I take it to be one of the most important propositions and ? insights of political science. Right? So far?

它是经建构与安排成,数种基本的政体类型，这个在我看来,是其中一个最重要的政治科学主张与见解,还好吗，到目前为止还懂吗？

耶鲁公开课 - 政治哲学导论课程节选