If you have heard the term "floating population" before and were not exactly sure what that meant, now you know.
如果你听说过“流动人口”一词而不不知道是什么意思，那么现在你知道了？
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On your second question, China adopts a managed floating exchange rate regime, which serves the long-term and fundamental interests of China.
关于第二个问题，中国实施有管理的浮动汇率制度，这一机制符合中国长远和根本的利益。
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“As far as I’m aware this is themost complete and long term data set for little bits of trash floating in theocean,” said oceanographer Miriam Goldstein of Scripps Institution ofOceanography.