单词：indifference surface
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Well, there is a lot of social media activity happening out there to help mark the one year anniversary of what many people call the Twitter revolution. Heres a look at the map being organized by the group called the Jun 12th Global Day of Action and
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(SOUNDBITE OF CHILDREN CRYING) SCOTT SIMON, HOST: Cries of children pierce our hearts. Scientists say they're meant to. They move us to love and protect children. Their response is healthy. It's human. And it keeps humanity going. Dr. Marc Bornstein,
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LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic
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