In terms of obesity rate, the U. S. population is not far off from the overweight population model in this study.

按照美国目前的人口肥胖率，研究中的超重人口模型并非遥不可及。

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A technology company called Pegasus Global Holdings this week announced plans to build a 20-square-mile model of a small U. S. city that could host a population of 35,000.

一家名为飞马国际控股(Pegasus Global Holdings)的科技公司这周宣布，他们计划兴建一座20平方英里的小型美国城市模型，可容纳3万5千人口。

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The U. S. Air Force also will operate an F-35 variant, the a model, a conventional takeoff-and-landing fighter.

美国空军也将经营新的F - 35的变种A型，一种传统的起飞和着陆战斗机。

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The oldest U.S.-sold model they found is a 1952 Strawberry Red 356 Cabriolet owned by Robert Wilson of Oklahoma City, Okla.

FORBES: In Photos: The Two Oldest Porsches in America

As more and more countries, from India to Finland, produce their own Silicon Valleys, our traditional U.S.-centric model of innovation will lose global impact.

FORBES

Even if News Corp does start charging and others follow suit, analysts say doing a U-turn on the free news model will be hard to pull off.

BBC: Is free news a thing of the past?