Now why--and here is the question why do we get this nervousness about the relationship between what I know and how I know it arising at this moment?

问题是,为什么那时候我们对,我知道什么和我如何知道的关系如此神经紧张？

耶鲁公开课 - 文学理论导论课程节选

These patterns of "I've been" are so useful to say what you want to do in the future in relationship to the past.

当你想表达过去与你将来想做的事情之间的联系时，“I've been”句型特别有用，

I've been 课堂 - SpeakingMax英语口语达人

There's been some evidence that dreams do, and some often do, have some relationship to what you're thinking about and worrying about through the day.

有证据表明,梦通常确实与你白天,所想所忧的事情有关。

耶鲁公开课 - 心理学导论课程节选