The Union comprises fifty states.

美国有五十个州。②由……组成

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In the past year, most of the fifty states have adopted these standards.

在过去的一年里，美国50个州中大部分都采纳了这一标准。

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America's fifty states have some of the most historically interesting nicknames.

美国的五十个州都有一些极具历史意义的别名。

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But the recession which began at the end of two thousand seven has not hurt all fifty states equally.

VOA: special.2009.05.08

Insurance now, in the United States, is regulated not by the federal government but by insurance regulators in each of the fifty states.

如今,美国的保险业,并不是由联邦政府直接监管,而是由各个州的监管机构监管

耶鲁公开课 - 金融市场课程节选

Other countries have it centralized but in the U.S. it's split up over fifty states.

其他国家均实行国家统一监管,但美国却把监管权分给了各个州

耶鲁公开课 - 金融市场课程节选

This is especially the case with respect to publically-managed portfolios in the fifty states.

CENTERFORSECURITYPOLICY: Leveraging US capital markets to advance peace in Sudan

Estimates for all fifty states, plus the District of Columbia, are reported in Table 1.

WHITEHOUSE: Recovery Act Third Quarterly Report - Supplement | The White House

Our challenge now is to allow all fifty states to benefit from the success of Race to the Top.

WHITEHOUSE: Weekly Address: Replacing ��No Child Left Behind�� This Year