近期出版的幸福研究季刊中，研究发现，更多的工作让美国人比欧洲人更快乐。
Working more makes Americans happier than Europeans, according to a study published recently in the Journal of Happiness Studies.
近期出版的幸福研究季刊中，研究发现，更多的工作让美国人比欧洲人更快乐。
Working more makes Americans happier than Europeans, according to a study published recently in the Journal of Happiness Studies.
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