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奥巴马每日发言At Recovery Act Implementation Conference(2009-03-12)
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Hydropower, geothermal, wind, solar, biomass. 水力,地热,风力,太阳能以及生物质。 Did you know that last year, for 299 days, 你们知道去年总共有299天, we did not use any fossil fuels in order to generate all our electricity? 我们生
TED演讲:我们是如何通过手机短信帮助饥饿的孩子填饱肚子的(5)
We're at a very interesting place in agriculture in Africa. 我们处在非洲农业非常有趣的节点上。 By the end of this year, we'll have almost one billion mobile phone subscriptions. 到今年年底,我们将会有接近十亿手机订阅用户。 We have the powe
President Bush and President Berger of Guatemala Participate
March 12, 2007 3:37 P.M. (Local) PRESIDENT BERGER: (As translated.) Distinguished members of the media, welcome, and thank you for honoring us with your presence. A very fruitful, interesting and prod