And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选

And then we hand you 140,000 English words in the form of a big text file much like our aspiring pre-med students in recent months, and we challenge you to implement the fastest spellchecker possible.

然后我给你一个包含1万4千单词的超大文本,就跟前段时间那位,有抱负的医学预科班的学生一样,我想让你在最短时间内实现拼音检查。

哈佛公开课 - 计算机科学课程节选