States had at least three social levels, usually, an upper class of rulers, a middleclass comprised of managers and merchants, and a lower class of crop producers and agricultural laborers.

国家中至少有三种社会阶层，上层阶级（执政），中产阶级（商人，管理者）和下层阶级（农民，工人）。

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In terms of class, digital divide exists among different types of workers and between the upper and middle classes and the lower class.

在阶级方面，不同类型的工作者，以及中上层阶级和下层阶级之间，都存在着数字鸿沟。

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Children of educated and upper-middle-class parents turn out to be far more curious, even at early ages, than children of working class and lower class families.

受过教育的孩子以及中上层家庭的孩子甚至在很小的时候就比工人阶级和下层家庭的孩子更有好奇心。

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Thus the final score card could read as follows: higher tax rates, lower upper class income and public revenues that fall short of estimated targets, even if they do not decline in absolute amount.

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In another time, being "lower-upper class" might actually have freed him to explore a few rungs up the social ladder.

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Upper-class participants who were induced to believe they were lower class suggested 3.1%.

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