The goal was to measure the AU; then, knowing the orbital speeds of all the other planets around the Sun, the scale of the Solar System would fall into place.

目标是测量 AU；随后，当我们知道了所有围绕太阳的其他行星的轨道速度，对太阳系的规模就有充分的认识了。

youdao

But when asset prices started to fall, the whole system unravelled.

但是，当资产价格开始下降的时候，整个体系失效了。

youdao

One Sunday night in fall 2007, the ventilation system in the kitchen stopped working, causing the room to overheat and the kitchen sprinklers to go off.

2007年秋季的一个周日晚上，厨房的换气系统出了故障，导致房间过热，触发了厨房的自动喷淋系统。

youdao

"Unless we reconstruct and maintain the international financial system, if countries start doing it bilaterally instead of multilaterally, the system will fall apart and we will end up in a depression,".

VOA: standard.2009.03.29

The London Times, in 1889, said this is going to be a fiasco, there are going to be so many mistakes, and there are going to be so many complaints that this whole system is going to crumble and fall; but it didn't, it actually worked.

伦敦时报在1889年，曾预言这绝对行不通，将会有许多大大小小的问题，人们会对此怨声载道,然后整个体系土崩瓦解;,然而这些都未发生，这个体系运转良好。

耶鲁公开课 - 金融市场课程节选

Now, if I was a person that was designing a vaccine and I noticed that this was the response that it got, that antibodies were produced, they reached some intermediate level, they started to fall, I would say, "Well I haven't stimulated the immune system enough, let me re-boost, let me give another dose of antigen."

现在,如果我正在研究一种疫苗,我注意到机体会对这种疫苗产生应答,也就是会产生抗体,当抗体浓度达到中等水平后,就开始下降,就可以说,疫苗对免疫系统刺激还不足,我需要提高抗原浓度,让我再把剂量再加大一倍

耶鲁公开课 - 生物医学工程探索课程节选

Just because you develop a care need, it does not mean you will fall within the system.

BBC: What the cap on care costs doesn't do

Those who study the solar system fall into the former camp.

ECONOMIST: Time to start giving extrasolar planets proper names

To those who believe athletes ought to be paid for their labor, Webber is the fall guy for a system that's horribly broken.

WSJ: College Sports and the Giant Albatross��Rachel Bachman