The more affluent children end up in college and on the way to the middle class, while working-class children tend to struggle.

更富裕的孩子们最终上了大学，走上了中产阶级的道路，而工薪阶层的孩子们往往会艰难挣扎。

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The magazines accorded some legitimacy to East End working-class theaters that mirrored the format of the fashionable West End theaters serving middle-and upper-class audiences.

杂志给予了伦敦东区工人阶级剧院一些合理性，这些剧院反映了时尚的伦敦西区剧院（为中层和上层观众服务）的设计风格。

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The first and fourth decile is full at the end of Clemens family coat of arms, had dark brown across the middle bar to separate three same Blackbird.

第一和第四等分是门斯家族的全底纹章，中间横穿过的深褐色棒把三只相同的黑鸟分开。

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He wants to let the Bush administration's tax cuts for the wealthiest Americans end next year, replaced by a middle-class tax cut.

VOA: special.2009.02.27

Anything is unnarratable if we don't have a sense of a beginning, a middle, and an end to bring to bear on it.

如果我们不仔细都不会注意到它有开头，经过和结果。

耶鲁公开课 - 文学理论导论课程节选

And he found that the middle member of the triad had an atomic mass that was midway between the atomic masses of the end members.

他发现三元组中间的元素,的原子质量,是位于两端的元素的原子质量,的中间。

麻省理工公开课 - 固态化学导论课程节选

He later described the role as "the beginning, middle and end" of his film career.

BBC: Obituary: David Croft

Ms Miller tells it straight, in a third person narrative with a beginning, middle and end.

ECONOMIST: First novels

And, " he adds, "it tells a story with a beginning, middle and end.

WSJ: A Weaver of Words on Wine��Especially Riesling | On Wine by Jay McInerney