Today. So this is the first class, the first moment of shopping that you guys are going to!

所以这是第一节课,这是你们上的第一节试听课

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And in fact, what I'm going to do, not this class because it's shopping period.

事实上,我会安排大家相互认识,这节课不会了,因为这是节试听课

耶鲁公开课 - 心理学导论课程节选