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贫困是顽疾,“顽”在成因复杂、难以根除、极易反复。
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Scientists say the findings are a warning about the kinds of chemical that people are exposed to in the environment.,详情可参考服务器推荐
"The Norfolk Carnyx Hoard will provide archaeologists with an unparalleled opportunity to investigate a number of rare objects and ultimately, to tell the story of how these came to be buried in the county 2,000 years ago."