大家可知道，通往理想境界的桥梁是什么？

Members may be aware, access to the ideal bridge for that?

youdao

大家可知道，当我们在美丽的校园里无忧无虑地学习生活的时候，在地球上的每一分钟有一个孩子死于一种疾病，有超过1500万的儿童因这种疾病而失去父母。

Do you know, when we study hard and enjoy our lives freely in our beautiful campus, every minute, there is a child dies of a disease.

youdao

What I'm going to do for about the next 15-20 minutes is just tell you what the class operation is like so everybody knows.

我接下来15到20分钟要做的是,要告诉你们这个班的管理是什么样的,这样大家都可知道。

麻省理工公开课 - 固态化学导论课程节选