After decades of wrangling, there is agreement at last on a fast underground Crossrail linking suburbs west and east, but this will not be open until 2017 at the earliest and the cost has spiralled.

经过数十年的争论，终于达成协议，建设一条连接东西郊的快速地铁（伦敦横贯铁路，Crossrail），但是项目动工时间不会早于2017年，而且工程成本也在不断增加。

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In fact, two different sources of data ( a survey of scientists and a study linking agreement to the credibility of the expert) converge on the same fact: 97 to 98 percent of climate scientists are convinced by the evidence for anthropogenic climate change.

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But on Tuesday he declared his support for what would be the biggest free-trade deal of all a comprehensive trans-Atlantic agreement linking Europe and the U.S. A good deal could, by most estimates, raise GDP on both sides of the Atlantic by as much as 1% a year.

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Russia has insisted on linking the arms control agreement to the controversial issue of a proposed U.S. missile defense system in Poland and the Czech Republic.

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