So, I make a pledge. You give me seven hours a week, you will pass this class, not just by the skin of your teeth. You will pass it.

我保证，你们要是一周学习7个小时，肯定可以通过这门课，一点都不惊险，你们会通过的。

麻省理工公开课 - 固态化学导论课程节选

Like, my Russian Culture class only has seven people, so it's very specialized

例如，俄罗斯文化课只有七个人，所以这堂课还是很专业的。

选择国际学的理由 - SpeakingMax英语口语达人

Again welcome back to Professor Stan Katz Drew Frederick and welcome to Drew Frederick, who is a class of seven, graduating, but who is very instrumental in a class that I want to talk about today, which is called the Just University.

让我们再次欢迎Stan，Katz教授,还要有请，他是七班的毕业生，在一门课上起到了重要的作用,我今天就像谈一下这门课，课程叫做，公正的大学。

普林斯顿公开课 - 人性课程节选