Throughout much of the 20th century, the Soviet Union cast an ominous shadow over the world. It was the U.S. 's dark twin.

纵观20世纪的大半时间，苏联给世界投下了不详的阴影，它是美国的黑暗双子星。

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One dark night, Farragut led seventeen Union warships up the river in a line.

在一个漆黑的夜晚，法拉格特率领他的17艘战舰排成一条直线向前进发。

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With dark wood paneling, worn Oriental carpets, and leather- upholstered furniture, and staffed by elderly union workers moving in slow motion, it is well past its prime.

门板是黑色的，地毯是破旧的，家具是皮革的，里面的工人年老，行动缓慢，总之，黄金时代过去了。

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One dark night, Farragut led seventeen Union warships up the river in a line.

VOA: special.2009.09.10

As far as the public is concerned, however, it is probably quite useful for them to be reminded of the antics of the more militant union leaders during the dark days of the 1980s.

BBC: Prime Minister's Questions

One of the first to speak among earlier delegations was Leo Koot, managing director of oil firm TAQA Bratani, who said Union Terrace Gardens was a "dark hole".

BBC: Aberdeen's City Garden Project snubbed after debate

The National Farmers' Union said the lifting of restrictions would remove a "long, dark shadow" from the countryside, even though it will be some months before Britain can trade fully with the rest of the world.

BBC: Questions remain over foot-and-mouth