But I am telling you this after you already signed up for the class so it is too late to leave.

我在你们选了这门课后才挑明,想退课也晚了。

哈佛公开课 - 幸福课课程节选

I used to... you know, I lived and worked out of Sloane Lab up on the hill and it was easy to have office hours before or after class but now you have to make a special trip.

我以前...,我以前的工作和住的地方都是斯隆实验室外的,小山上,那时的开放时间设在课前或课后对我来说都很方便,但是现在你们就得费点儿周折了

耶鲁公开课 - 基础物理课程节选

Starting at the beginning of the third week of class that is not next week but the week after on each Monday I'm going to put up a brief question or set of questions, which you have to answer and your answers need to be sent to your teaching fellow.

本课程将于开学后三周开课,也就是自下下周开始,每周一上课,我会提出一系列问题,要同学们思考并回答,大家的答案要在周五前交给研究生助教

耶鲁公开课 - 心理学导论课程节选