PROFESSOR: Welcome to 5.111, and today what we're going to do is introduce you to the course and the people teaching the course.

教授：欢迎来到5。111。,今天我们将向你,介绍这门课程,和它的教师。

麻省理工公开课 - 化学原理课程节选

You are certainly welcomed in the course.

当然欢迎你来上这门课。

麻省理工公开课 - 电影哲学课程节选