This will be our last Friday lecture ever; back on Mondays and Wednesdays hereafter.

这将是我们周五最后一个演讲，以后会回到周一,和周三上课。

哈佛公开课 - 计算机科学课程节选

We're going to have these lectures on Mondays and Wednesdays.

我的授课时间是每周一和周三

耶鲁公开课 - 金融市场课程节选