A survey done by the China Youth and Children Research Center showed that school accidents kill more elementary and middle school students than anything else.

中国青少年研究中心的一项调查显示，学校事故是导致小学生和中学生死亡的最大原因。

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I'm somewhere in the center of the middle.

我在中产中心的某个地方。

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Jon Alterman is head of the Middle East program at the Center for Stategic and International Studies in Washington.

VOA: standard.2009.06.02

Jon Alterman is director of the Middle East Program at the Center for Strategic and International Studies.

VOA: standard.2010.06.29

"It's a long awaited step." Paul Salem,who heads the Beirut-based Carnegie Middle East Center, thinks that President Obama's trip to Cairo is likely to have positive reverberations across the Arab world.

VOA: standard.2009.05.09

Academics: Have you ever heard of the Princeton Center for Middle Class Studies?

CNN: Carville: What if the rich lost 40% of their wealth?

Bruce Riedel, a senior fellow at the Saban Center for Middle East Policy, says it's too late for the U.S. to rely on Musharraf alone.

NPR: Musharraf's Party Takes Pounding in Election

He's director of the Saban Center for Middle East Policy at the Brookings Institution and a former assistant secretary of state for Near East Affairs.

NPR: The U.N., the U.S. and the Middle East