"We realise that RTS, s is not the ultimate malaria vaccine," says David Brandling-Bennett of the Gates Foundation. "But it will have some role."

“我们认识到RTS . S并非是最好的疟疾疫苗，”盖茨基金会的大卫·布兰丁·博内特这样说，“但是它会起到一些作用。”

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Poor diet and physical inactivity also each increase the risk of heart disease and have a role to play in the development of some cancers.

不良的饮食和缺乏运动也会增加罹患心脏病的风险以及助长某些癌症的发展。

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Some researchers have suggested that assuming the role of a sick person is one way in which certain people try to cope with stress.

一些研究人员认为，扮演病人的角色是某些人应对压力的一种方式。

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It continues to confirm that some U.S.bombers, all the B-1 bombers, no longer have a nuclear weapons role,".

VOA: standard.2009.04.08

For instance, all four units have some role on the F-35 joint strike fighter.

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Mr Frank said the Fed would almost certainly have some role in whatever is created, but it may be necessary to create the resolution authority first, and endow it on a group of agencies, and decide later who the systemic risk regulator will be.

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Natural selection would have played some role in the development of any such general aversions, which may have their origins in distant species, somewhere far back down the line that leads to us.

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