For example, there may be a correlation between maternal mortality and Caesarean births, or so-called "C-Sections."

VOA: standard.2010.06.23

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

They would say there is a low correlation between SAT scores and grade point averages in college, or maybe it's a high correlation.

媒体会说,SAT成绩,和大学里的平均学分相关性很低,或相关性很高

耶鲁公开课 - 金融市场课程节选