The nation's capital has some of the worst traffic congestion in the country, plus an 11.3% unemployment rate and a high cost of living.

美国的首都的交通拥堵程度在美国是最糟糕的，再加上高达11.3%的失业率和高额的生活花销。

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But the third-worst spot for highway congestion, Chicago's CircleInterchange, is going nowhere.

但名列第三位拥堵的芝加哥环路交口却还不知去向。

youdao

But the third-worst spot for highway congestion, Chicago \ 's Circle Interchange, is going nowhere.

但名列第三位拥堵的芝加哥环路交口却还不知去向。

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IBM,which has developed new technology for predicting traffic flow, has identified the cities with the worst commutes in the world and those that are successfully easing the congestion.

VOA: standard.2010.07.26

Three of the top five cities ranked as the worst in the world for traffic congestion by a 2012 IBM survey were in the BRIC countries.

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Our air traffic congestion is the worst in the world.

WHITEHOUSE: President Obama Speaks on Investing in Our Infrastructure

Consider congestion in U.S. skies, which is the worst in the world.

FORBES: It's Time To Upgrade The Entire World's Infrastructure