Also, we need to know how much individual stocks are correlated with rm; we measure that by the regression coefficient.

我们必须清楚,有多少个股与市场总体收益率相关;,我们用回归系数，即β系数来表示。

耶鲁公开课 - 金融市场课程节选

It's just a general checking, but it's always coming back into the breath.

是一种总体检查，但总是要回归到呼吸上。

普林斯顿公开课 - 人性课程节选