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The City of Bilbao's metro service has announced that the transportation system was powered completely by renewable sources last year, making it the first metro system in the world to do so.

毕尔巴鄂市地铁公司宣布，自去年起全市地铁系统已完全以可再生能源为动力，这是世界上第一个这样的交通系统。

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Making globalizing city and improving the level of urban function are important steps for the economy merging into the world economic system.

构筑国际化城市，提升城市功能级别成为我国经济融入国际经济体系的一个重要步骤。

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The strain on the world's food system is making policy makers nervous.

WSJ: Grain Prices Soar as U.S. Slashes Outlook

Android is the leading mobile operating system in the world, but making money off it is another story.

FORBES: Google's Searching For Mobile Help

With a large selection of free or premium templates, the WordPress.com blogs come equipped with a clear and simple to use support system, making navigating the blog world an easy task.

FORBES: 20 Must Have Tools For Small Businesses