He does a lot of community work for underprivileged and just good things in the community.

他给弱势群体做了很多社区工作，还有别的好事。

洛杉矶湖人队 - SpeakingMax英语口语达人

What TEAL does is a number of things, most importantly, from a lot of new point is we introduce physics laboratory at the terms of small desktop experience that are done in the classtory.

而TEAL项目所做的事情有很多，最重要的是提出了一个新观念,即引入物理实验室,以小型桌面实验为主的,在一种新型教室里进行。

麻省理工公开课 - 媒体、教育、市场课程节选