Because when one billiard ball hits another.

因为当一个台球对另一个发生撞击的时候。

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And this graphite pebble is about the size of a billiard ball.

这个石墨块是和，台球的大小一样。

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It just bounces back and the billiard ball almost does nothing.

它反弹回来，台球几乎没有变化。

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And what humanistic psychology said was that we are much more than a billiard ball being knocked around.

而人本主义心理学认为,我们不只是被击打的台球。

哈佛公开课 - 幸福课课程节选

Much more than biological instincts, much more than neurosis, much more than the person who exists in a Newtonian reality like a billiard ball.

不仅仅是生理本能，不仅仅是神经症，不仅仅是牛顿学说世界里的台球。

哈佛公开课 - 幸福课课程节选

Behaviorism looks at the human entity, at the person as basically a collection of behaviors as a box, like a billiard ball knocked around by reinforcements, by punishment, by reward.

行为主义认为人的主体性，认为人是一个行为集合，就像一只被击打而四处滚动的台球，被增强，奖惩驱动。

哈佛公开课 - 幸福课课程节选

Neutrons ejected from a watery surface move much more slowly than those from a rocky one, because the hydrogen nuclei in water are light enough for an exiting neutron to knock around much like one billiard ball hitting another a process that slows the neutron down.

ECONOMIST: Divining water

And what look like billiard-ball diagrams.

NEWYORKER: The Region of Unlikeness