So we've tagged each of your numbers to your actual recitation, so we can see today which recitation actually is going to be doing the best in terms of clicker questions, who's going to get the most correct today.

我们已经将你们的学号,与你们参加的习题讨论小组关联起来了，这样通过回答选择题,我们就可以来比一比，哪个小组答对的人最多。

麻省理工公开课 - 化学原理课程节选

And so it really, not the course but the idea for the course, was an evolution three years four years ago, really, when I was involved in something called the Civic Values Task Force, which was started by Princeton Project 55.

所以说，不是这个课程,而是这个课程的设想，是在三四年前形成的，当时我参加了,公民价值专责小组，由普林斯顿大学55工程发起。

普林斯顿公开课 - 人性课程节选