I don't think people vary about the feelings of I do something for you and then you don't you don't do something for me.

在以下情形中，人们的感觉都是一样的,我帮了你,但你却不帮回我。

耶鲁公开课 - 心理学导论课程节选

So when we talk about p orbitals, it's similar to talking about s orbitals, and the difference lies, and now we have a different value for l, so l equals 1 for a p orbital, and we know if we have l equal 1, we can have three different total orbitals that have sub-shell of l equalling 1.

当我们考虑ｐ轨道时，这和ｓ轨道的情形和相似，不同之处在于ｌ的值不一样，对于ｐ轨道，ｌ等于１,我们知道如果ｌ等于１,我们有３个,不同的轨道。

麻省理工公开课 - 化学原理课程节选

If I do that, I would like to call the coordinate y, then I will write the same thing.

如果是那种情形,我会把坐标记为y,然后写出一样的式子

耶鲁公开课 - 基础物理课程节选