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

"I've already seen it from a distance, but I've never seen it up close and it's not the same, " he said while visiting in Times Square.

WSJ: Statue Is Alone Until Island Repaired

One woman passing by made a comment about the crowds and said she's never seen it like this during past inaugurations.

CNN: Washington locals excited, but bracing for inconvenience

"It's tough to go against our zone when you've never seen it before, " forward C.

WSJ: Contrasting styles on display in Syracuse-Michigan