It's a little easier to hit the ball hard to the opposite side from the side which is your foot and that's the same principle in baseball.

从另一侧击球更容易发力,在棒球中这个道理也是适用的

耶鲁公开课 - 博弈论课程节选

So let's listen to a little bit of this music and I want you, maybe as a group to tap with your foot, your hand whatever, just the beat as you hear it.

我们一起来听一下,我希望你们也许以组为单位,一起用脚打拍,拍手,随你喜欢,一起打拍子

耶鲁公开课 - 聆听音乐课程节选