The Bulgarian national qualification contest of the 20th "Chinese Bridge", a major international Chinese professional competition for foreign university students, was held in Sofia on Sunday.

第20届“汉语桥”世界大学生中文专业大赛保加利亚全国资格赛于周日在索非亚举行。

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I went to Russell Square, London Bridge, and I saw the London Eye and the National Museum.

我去了罗素广场、伦敦大桥，参观了伦敦眼和国家博物馆。

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Investigators with a National Transportation Safety Board are being dispatched at the site of a collapsed bridge in Washington State.

美国国家运输安全委员会的调查人员已被派往华盛顿州倒塌大桥的事故现场。

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There's something called a national bridge inspection program, and they run these inspections.

NPR: Collapsed Minneapolis Bridge Was Under Repair

All of this information goes into something called the national bridge inventory, which is a huge - 600, 000 bridges in the country, really.

NPR: Collapsed Minneapolis Bridge Was Under Repair

Sharon Osberg , a national bridge champion who used to be a banker, told Forbes she plays bridge over the Internet as Buffett's partner five times a week.

FORBES: From Omaha, Buffett Sees Clear To China