This may be down to our brain's "mirror neurons", which are known to mimic others' actions.

这可能是由于我们大脑中的“镜像神经元”，它会模仿他人的行为。

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Neil Shearing of Capital Economics, a consultancy, reckons it may be down to as little as 3.5% by the end of 2008.

来自资本经纪公司（一家咨询公司）的内尔•希尔林认为到2008年底，这一数字将缩小至3.5%。

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He says each family needs a plan in place in case of a disaster, when phone services may be down and travel difficult.

他表示每个家庭都需要准备一个计划以防灾难发生，因为到时电话服务可能会有故障而交通也会出问题。

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"Get it down," he said. "Take chances.It may be bad, but that's the only way you can do anything good."

VOA: special.2010.01.03

Because it says, your program will still give you a value, but it may not be what you intended, and you can't always tell, and that may propagate it's way down through a whole bunch of other computations before it causes some catastrophic failure.

因为这意味着，你的程序依然会返回一个值，但是这个值可能不是你想要的，你可能还分辨不出来，而且这种情况会传播,结果会沿着正果计算过程传播下去,直到产生一个灾难性的错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

And since we don't know the absolute up and down in the universe, it is possible that some of the electrons may be spinning up.

由于我们在宇宙里,并不知道什么是绝对的上和下，所以说上面的现象很有可能是,一些电子向上自旋引起的。

麻省理工公开课 - 固态化学导论课程节选

"If your portfolio is in Florida or Las Vegas, you may be down 20%, " he says.

FORBES: Basics R Us

Better market sentiment may be down to nothing more than the aspirin from the ECB.

ECONOMIST: Charlemagne

They may be down in the dirt but it seems dung beetles also have their eyes on the stars.

BBC: Dung beetles guided by Milky Way