What goes up, must come down.

上去的必将下来。

What goes up must come down on the downside of the conveyor belt.

往上走的东西必须从传送带的下边下来。

But as you know what goes up must come down.

但如你所知，上升必然下降。

'What goes up must come down, ' points out Jean-Claude Diels of the University of New Mexico.

新墨西哥大学的让-克洛德·迪尔斯指出，“有涨必有跌”。

Are you telling me what goes up must come down? (Ethan laughs) This changes everything, Ethan Wu.

你是在告诉我上升必然下降吗？ （Ethan 笑）这改变了一切，Ethan Wu。

Even on the upper east side, the laws of physics dictate that what goes up must come down.

即使在上东区，能量守恒定律决定了风水轮流转的道理。

And they say what goes up must come down, so we'll show you that in detail too this Tuesday on CNN 10. Hi, everyone.

他们说上升必然下降，所以我们也会在本周二的 CNN 10 节目中向您详细介绍这一点。 大家好。