They got some number that looks like for the wavelength they got the distance from here to Chicago, and they are going to drag that through the whole calculation.

他们得到一些数,看上去像是波长，他们得到这里,到芝加哥的距离，他们把那个值,用到整个计算中。

麻省理工公开课 - 固态化学导论课程节选

But if we could statistically control for every other variable, all I'd need to do is measure the distance from your door to everybody else's door on campus and I could chart out who's going to fall in love with whom on the Yale campus.

如果我们能精确地控制其他可变因素，那么只需要测测距离,你宿舍门到其他宿舍门的距离,我就能够计算出,校园里谁爱上了谁。

耶鲁公开课 - 心理学导论课程节选