We have no evidence, and I mentioned this before, that there was a particularly close relation between these two young men.

我之前提到过，我们没有证据,去证明这两个年轻人之前有着如何亲密的关系。

耶鲁公开课 - 弥尔顿课程节选

And it turns out that there's a correlation, a reliable relationship between how happy somebody is now and back thirty years ago in their yearbook photo-- what sort of smile they're giving.

事实证明有相关性，可靠的关系,现在很开心的关系，30年后也是,在他们的年鉴照片里-,他们给出的微笑类型。

耶鲁公开课 - 心理学导论课程节选