This week around 300 graduating MBAs at Harvard Business School will take an oath, pledging to play a positive role in society once they graduate.

本周大约有300名将从哈佛商学院工商管理硕士(MBA)毕业生将举行宣誓，保证毕业后在社会发挥积极作用。

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We hope the US play a positive role in Asia.

我们希望美国在亚洲发挥积极作用。

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China always supports European integration and welcomes a strong and consolidated EU to play a more positive and constructive role in international affairs.

中国一贯支持欧洲一体化建设，乐见一个强大、团结的欧盟在国际事务中发挥更加积极和建设性的作用。

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The young people here are hard at play, and the Muslim elders are hard at work trying to keep them engaged in positive activities.

VOA: standard.2009.12.20

Former footballer and Deputy General-Secretary of the Union, Thulaganyo Gao Shubelwe, says footballers can play a positive role in conveying the safe-sex message because of the aura surrounding them.

VOA: standard.2010.05.29

Jamie Murphy came on for John Sutton in 57 minutes and made an immediate impact with his forceful, positive play.

BBC: Rangers 2-1 Motherwell

"It can be a real positive if you play the way we played, " coach Tom Coughlin said.

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Tony Blair is certainly seeking ways for a more Euro-positive Britain to play a bigger role in Europe.

ECONOMIST: Where is it going? | The