I'm not going to write them on the board like a little high school teacher.

我不会在黑板上写出来,像一个高中老师那样。

麻省理工公开课 - 固态化学导论课程节选

If you have not seen the calculus that I'm about to use on the board, or more likely, if you've forgotten it since high school, don't panic.

如果你们没有见过我将要,在板书上写的表达式,或者说,高中毕业你们就忘了,没关系

耶鲁公开课 - 博弈论课程节选

Will you be able to do a lot of good in a for-profit organization,not for profit organization, on the board of your previous school, with your money,with your time?

你们能够做善事吗,在一个非营利机构里行善，在你母校的董事会，贡献金钱和时间？

哈佛公开课 - 幸福课课程节选