Now, each week we have a section meeting, required section, they're all - all the sections meet on Thursday afternoon and the idea of the section is to amplify on some subject we've talked about during the week.

每周我们都会有小组讨论会,这个讨论会是必须要开的,开会的时间都在周四下午,开会旨在,对本周讲过的内容进行一些引申和拓展

耶鲁公开课 - 生物医学工程探索课程节选