You received an email if you were on the class list yesterday from Christina that talked about the class assignments, and how they'll be handled by the various teaching fellows.

昨天上课的同学,都收到了克里斯蒂娜发送的电子邮件,讲的是课程作业的问题,以及不同的助教对此的处理方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We're about to switch assignments,

我们准备调整职位了，

我的梦想是当教师 - SpeakingMax英语口语达人