The proportion of single parent families varies between different income groups.

单亲家庭比例在不同收入群中各不相同。

《牛津词典》

There is no best parenting style or philosophy, researchers say, and across income groups, 92% of parents say they are doing a good job at raising their children.

研究人员说，没有最好的育儿方式或哲学，在不同的收入群体中，92%的父母说他们在抚养孩子方面做得很好。

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Around the world, governments have subsidized the housing of middle- and upper-income groups.

全世界各政府都补贴过中高收入人群的住房。

《柯林斯英汉双解大词典》

Mr.Thaksin,who remains in exile in the face of a two year jail sentence for corruption, maintains support from the northern rural areas as well as among the poor and low income groups due to populist economic policies while in office.

VOA: standard.2010.03.20

You might see some among the smaller groups of higher income users there but what I do think you will see is growth in countries in places like Latin America."

VOA: standard.2010.06.25

You would expect that total to be higher among low income groups, and it is.

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That indicates widespread and relatively even progress among all income groups over the period.

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In most cases, ironically, their total tax burden is disproportionately higher than upper-income groups.

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