But whatever your reason for being here this is in fact our introduction to Computer Science; and contrary to what you might have heard or seen or perceived in high school, odds are computer science is not quite what you imagined it to be.

但是不管你们来这儿的原因是什么,这门课介绍的都是计算机科学,可能与你们平时听到的看到的,或者在高中时所想象的恰好相反,计算机技术的优势完全不是你想象的那样。

哈佛公开课 - 计算机科学课程节选

I also talked last time about smallpox and the perceived need to produce more smallpox vaccine in the event that smallpox is used as a weapon in 2002.

上次我也谈论过了天花,以及在二零零二年天花被当作武器使用时,制造出更多天花疫苗的必要性

耶鲁公开课 - 生物医学工程探索课程节选