I've read through the same thing twenty times and I've missed something obvious. Someone who's never seen it before looks at and says, did you really mean to do this?

但是它们有一双旁观者之眼,我把同一段代码读上20遍,都会漏掉一些很明显的错误，从没看过这段代码的人会告诉我？

麻省理工公开课 - 计算机科学及编程导论课程节选

Ok I've never even seen it, so that's good -- you must be better travelled than I.

有一部分，我从来没见过这是什么,很好，你们旅游的比我多哈。

麻省理工公开课 - 化学原理课程节选

Now, if you have never seen that Prisoner's Dilemma, you can see it pretty much every night on a show called Law & Order.

如果你之前没听说过囚徒困境,回去看看每天晚上演的"法制"

耶鲁公开课 - 博弈论课程节选

If you've never seen it, it's a Kirk Douglas movie that's a good movie, and it's about the mutinies on the Western Front, and it's very good. We used to say, well come to 101 and it'll be a film that'll be shown at 8 p.M.

你要是从来没看过,这是一部科克·道格拉斯的电影,好电影,是关于西线战士反叛的故事,非常好,我们总说,欢迎来101教室晚上八点有电影

耶鲁公开课 - 1871年后的法国课程节选