If this is the case, then why bother with the closures at all?

VOA: standard.2010.06.17

Dynamics then tells you why the object goes up, why the object goes down and why is it pulled down and so on.

而动力学则会告诉你为什么物体向上运动,为什么向下运动,为什么停下来,等等

耶鲁公开课 - 基础物理课程节选

And then I love, the biggest thing, the reason why I moved here is that

然后，我最爱的一点，也是我搬到这里的原因，就是

喜欢加州 - SpeakingMax英语口语达人

From this point of view then, the reason why you sneeze when you have a cold is that your cold the cold virus is using your body as a tool to replicate itself.

从这个角度看，感冒时打喷嚏是因为,感冒病毒用你的身体繁衍后代。

耶鲁公开课 - 心理学导论课程节选