Then you start to wonder well what is the system and ? what is it supposed to do?

于是你开始质疑,这个系统到底是什么,还有它到底是要干什么呢？

耶鲁公开课 - 金融市场课程节选

So you don't pick up a document that has a whole lot of Greek, or what looks like Greek to you and wonder "Where do I even begin?"

所以你们不要拿起一篇上面一大堆的希腊语文档，或者对你来说那像是希腊语，然后想知道：,“我该从哪里开始？“

哈佛公开课 - 计算机科学课程节选