耶鲁大学、康奈尔大学和约翰斯霍普金斯大学的科学家们说，只有一些间接证据表明不健康的饮食和缺乏运动是肥胖的主要诱因。

The scientists from Yale, Cornell and Johns Hopkins said there was only 'circumstantial' evidence supporting poor diet and lack of exercise as the main causes of obesity.

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如同康奈尔大学的约翰逊商学院建立起的夏季MBA毕业生与短期工作联接的计划。

The Johnson School of Business at Cornell, for example, has set up a programme that links MBAs with short-term projects over the summer.

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耶鲁大学、康奈尔大学和约翰斯·霍普金斯大学的科学家们说，只有一些间接证据表明不健康的饮食和缺乏运动是肥胖的主要诱因。

The scientists from Yale, Cornell and Johns Hopkins said there was only circumstantial evidence supporting poor diet and lack of exercise as the main causes of obesity.

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