I mean, you may not understand it with algebra before but some of these sorts of pictures have you seen before?

我是说可能代数部分你没看懂,但你们以前见过类似的图像吧

耶鲁公开课 - 博弈论课程节选

I love doing because you're going to... you might find something that you didn't see the first time.

我喜欢这样做，因为你或许可以发现一些你以前没见过的东西。

大都会艺术博物馆 - SpeakingMax英语口语达人

I should also warn you that this code includes some Python concepts, at least one, that you have not yet seen.

我得事先说明这个代码中,包括了一些你没见过的Python语言的概念，至少一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

Sure, there'd be some new particular puzzle you hadn't seen before, but you'd sort of step up a level and say, "Although I haven't seen this particular one before, I've seen crossword puzzles before.

当然肯定有你没见过的特殊填字游戏，但你会退一步说，“虽然我没见过这个特殊的填字游戏，但我见识过填字游戏。

耶鲁公开课 - 死亡课程节选

I don't know if you've seen this no-ad sunscreen for instance.

我不知道，举例来说，不知你见没见过这种无广告防晒霜。

广告和价格的关系 - SpeakingMax英语口语达人