Just last year, a major study in 13 countries found no clear evidence that exposure to the radiation from cellphones causes brain cancer.

就在去年，一项在13个国家开展的重大研究项目表明，没有明确的证据能够证实受手机辐射影响会导致脑癌。

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My informal polling reveals that no golf course in America prohibits cellphones on the course.

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On a bus journey across the Demilitarized Zone into the border city of Kaesong in 2008, we were told: No cellphones, no long camera lenses, no shooting photos without permission.

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Samsung has a lot riding on the Galaxy S. Though the company ranks as the No. 2 global supplier of cellphones overall, it lags Nokia, Research In Motion, Apple and HTC in smart phone sales.

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