If you start segregating the gases, there are fewer possible configurations that because you're forcing a particular set of circumstances.

如果你开始分离这些气体，整个系统所具有的可能的状态就会变少,你强加了一个特定的条件。

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Of course, the money had to come from somewhere, so bond allocations were at a fifteen-year low.

当然投资股票的钱不是凭空变出来的,于是债券投资所占比例跌至15年来最低

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