If a child of any color or group is doing poorly in school it seems to us very important to know whether it is because he or she is of low intelligence, or whether some other factor is the cause.

如果任何一个肤色或种族的孩子在学校表现不好，在我们看来，知晓这是否是因为他或她的智商低还是其他因素是非常重要的。

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The idea that there is a group of people that are "my" friends and another group that is "her" friends can be a big dividing factor between us.

这个想法出现是因为，我有一群“我”的朋友，她有一群“她”的朋友，而这种形式使得我们之间有了很多区分因素。

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You should also factor in the other intangible benefits such as being able to monitor the process state, transfer work from one user to another, or even assigning work to a group.

还可以得到一些其他方面的无形好处，例如可以监视流程状态，将工作从一个用户传递到另一个用户，甚至可以向组分配工作。

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The way Dr Hau and her team have slowed down light by a factor of 600 million or so is to use a group of atoms called a Bose-Einstein condensate (BEC).

BBC: A Bose-Einstein condensate: It slows down light