Whereas in ancient egypt and mesopotamia military conquest achieved the integration of distinct regions into single states , this pattern has not been seen in early indus settlements.

在古埃及和美索不达米亚，人类透过武力征服，将不同的地区统合为单一国家，但是在印度河的早期聚落，却没有见到这种模式。

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Research data indicate that there is a great deal of poverty in the United States among single-parent families headed by women.

研究数据表明，在美国，由妇女当家的单亲家庭中存在着大量的贫困现象。

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Until now, many sellers that have a physical presence in only a single state or a few states have been able to avoid charging sales taxes when they ship to addresses outside those states.

到目前为止，许多只在一个州或几个州有实体店的卖家，在往这些州以外的地方运送货物时，都能够避免征收营业税。

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Now,at last, the two coasts of the United States were united by a single line of metal rail.

VOA: special.2010.02.25

Right now the total value of single-family homes in the United States is about twenty trillion dollars and the market has been becoming increasingly speculative.

如今,美国家庭的,房产总值,接近2万亿美金,而且,市场变得越来越投机

耶鲁公开课 - 金融市场课程节选

This was a very--a single experiment done within the United States, but the idea is appealing, that people are connected to one another via chains of people.

这个实验是在美国做的，但它揭示了一个很有趣的规律，人都是通过一连串的人和另一个人有着某种关联。

耶鲁公开课 - 心理学导论课程节选

Post-colonial sensitivities mean that single states are no longer appointed as carers, and that a permanent transitional system cannot be developed.

ECONOMIST: From Bosnia, East Timor, and other fragile places

Experts said the "ILOVEYOU" case most likely is a federal criminal case because single states do not have the power to make their laws applicable in an international arena.

CNN: Image of love bug

Because we stood our ground, it meant that every single United States citizen had a chance to make his or her voice heard.

CNN: Clinton will make 'no decisions tonight'