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Something made me change my mind as I looked at the picture for a second time.

VOA: special.2009.07.04

But luckily for us, there's a classical equation of motion that will, in fact, describe how the electron and nucleus change position or change their radius as a function of time.

但幸运的是，有一个,经典方程描述了电子和核子,位置或者它们直接的距离是,如何随时间变化的。

麻省理工公开课 - 化学原理课程节选

The interesting thing is that through time, as political winds change, these taxes have changed and they've gone up to some very high levels in the past in the United States and other countries.

有趣的是在不同时期,如果政策方向有所转变,税率也会改变,在过去的美国和其他国家,税率曾经相当高

耶鲁公开课 - 金融市场课程节选

There are those who say 'look the answer to this is more security, more soldiers', there are those who say 'forget about security the answer to this is more political change, democratic change', both of those I think are wrong because you need both of those, you need to be vigilant over security at the same time as you change the nature of Northern Ireland.

BBC: News Online

"If that happens time and time again as they change jobs, they could be significantly worse off, " she said.

BBC: Pension reforms plans 'could cut retirement income'

Thus we all must change as time goes on.

FORBES: Liars and Fools