Dean Rohrer


伦敦—2012年,皮尤研究中心(Pew Research Center)发现,85%的美国自称中产阶级成年人认为,和十年前相比,维持生活水平对他们来说变得更加困难了。自称属于中低阶级或低级阶级的成年美国人比例从2008年的四分之一上升到现在的三分之一左右。皮尤中心的研究还发现,只有63%的受访者认为努力工作能带来成功,而1999年的比例为74%。



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