The chart you see here suggests that 72% of last year's students had zero prior computer science background.

这个图表显示的是%,去年修这门课的学生中,72％的人没有计算机方面的专业知识背景。

哈佛公开课 - 计算机科学课程节选

We have freshmen in the class, we have graduate students in the class, we have people from business backgrounds, art backgrounds, psychology, science, just about everything.

我们的课堂上有新生,有研究生,还有从事商业的,从事艺术,心理学,理学等方向的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

College students do not have a science of this at all, they just pour the stuff down their throats with the goal of becoming drunk as fast as they can.

大学生完全不懂喝酒的学问,他们只是把那玩意儿灌入喉咙里,以尽快把自己灌醉为目的

耶鲁公开课 - 古希腊历史简介课程节选