WHO chief Chan urges people not to become complacent because of the relatively mild nature of the H1N1 pandemic.

VOA: standard.2009.12.29

Please don't, if you are up here, become complacent because a month from now we will have another test.

如果你考得不错的话，请不要自满,因为在一个月后我们将还有一次测试。

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