I'm going to talk about some class logistics and I'll talk about the course website which you're welcome to visit.

我会介绍一下课程的流程,我会谈谈课程网页,欢迎大家登录访问

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

For those of you who are new to the class,welcome A couple of administrative things.

新加入的同学们，欢迎,一些行政上的事情。

麻省理工公开课 - 固态化学导论课程节选