If you think of the idea, you think of the basic logic, and then you go ahead and drag and drop accordingly.

如果你有这个想法，然后你考虑下基本的逻辑，你就能做相应的拖动或下降。

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If you just drag them and drag them, and drag them in there, it will keep growing to fill--to fit any such statements.

拖拽填充板块进来,它将越变越大。

哈佛公开课 - 计算机科学课程节选

But we all know that the reason things come to a halt when you push them is, there eventually is some friction or drag or something bringing them to rest.

但我们都知道,推完之后会停下来的原因就是,最后还是有某种摩擦或者拖拽,或者别的什么使得物体静止下来

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