The additional tariffs were requested by the U. S. Steelworkers Union, which says that Chinese tire imports hurt the U. S. industry.

美国钢铁联合会提出另一项附加税收，针对中国的轮胎出口重伤美国经济。

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Other photos from the early 1960's show the U. S. preparing for a possible attack during the Cold War between the United States and the former Soviet Union.

1960年代初期的一些照片显示美苏冷战期间美国为可能发动袭击做准备。

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

20世纪的大部分时间，苏联就象巨大的阴影笼罩在世界上空---它是美国的黑暗孪生兄弟。

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