The Census also looked at the 366 metropolitan areas that account for more than 80 percent of the U.S. population.

人口普查局也调查了366个大都会，这些地区了聚集了超过80%的美国人。

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He points to recent U.S. Census data showing that single women aged 22 to 30 in major metropolitan areas now earn 8% more than their male peers.

他指出，近期美国的人口普查数据显示，主要大城市22到30岁的单身女性收入比同一年龄段的男性高出8%。

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The Census also looked at the 366 metropolitan areas that account for more than 80 percent of the U. S. population.

人口普查局也调查了366个大都会，这些地区了聚集了超过80%的美国人。

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The CDC regularly collects and distributes reports on deaths and injuries for different areas of the country, areas identified by the U.S. Census Bureau as Metropolitan Statistical Areas, or MSAs.

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Throughout much of the South, the number of same-sex couples living together increased in the 2010 census, especially in metropolitan areas.

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The American Lung Association's study ranks the air quality of 900 counties and more than 200 U.S. Census-defined Metropolitan Statistical Areas and Combined Statistical Areas--cities and their surrounding suburbs--where an air pollution monitor is present.

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