问题描述：
英语翻译
Double act:U.S.President Barack Obama and Prime Minister David Cameron,pictured playing table tennis together left-handed,could have reduced cognitive ability,according to the study
只有10财富值了.
Double act:U.S.President Barack Obama and Prime Minister David Cameron,pictured playing table tennis together left-handed,could have reduced cognitive ability,according to the study
只有10财富值了.
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