Now, Brazil's economy is booming and the growth of the middle class, which included the majority of Brazilians for the first time in 2009, is changing every facet of life.

现在，巴西经济蓬勃繁荣和中产阶级人口成长(2009年首次涵盖半数以上的巴西人口)，正在改变生活的每一层面。

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In 1967, within a generation of Maslow’s article, Herbert Gans wrote a classic book, “The Levittowners”, which described the changing mindset of America’s new middle class.

年， 与马斯洛的文章同处一个时代的赫伯特·甘斯创作了一部经典著作《里维特城镇居民》，其中描述了美国新兴中产阶级正在改变的思维定势。

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In 1967, within a generation of Maslow's article, Herbert Gans wrote a classic book, "the Levittowners", which described the changing mindset of America's new middle class.

1967年，距马斯洛此文发表不到三十年，赫伯特·甘斯写了本经典著作《里维特镇居民》，描述了美国新生中产阶级的心态变化。

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Joe Biden, the vice-president, and Tim Geithner, the treasury secretary, now have the somewhat harder task of travelling around and explaining how changing regulations on synthetic derivatives will improve the lot of America's middle class.

ECONOMIST: Fixing finance