This happens whether the children are in two-parent or one-parent families.

这种情况无论在双亲家庭还是单亲家庭的孩子身上都会发生。

《柯林斯英汉双解大词典》

Median wages for two-parent families grew 23% since 1975, according to the study.

该报告显示，自1975年以来，双亲家庭的平均收入增长了23%。

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But in 2009, two-parent households worked 26% longer than those two and a half decades ago.

但是与25年前相比，2009年双亲家庭的工作时间延长了26%。

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extending the issue of the two-parent versus one-parent family is, "To what extent are these notions validated " cross-culturally?"

将双亲和单亲家庭的问题扩展了一下，“这些概念究竟在多大程度上,会因跨文化差异而有所变化“

耶鲁公开课 - 心理学导论课程节选

Only 14.3% of students from one-parent households will attend some college, compared with 17.6% in two-parent households.

CNN: Single mothers, stand proud

Although there are many barriers to this, it might put back on the table the importance of the two-parent family.

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The typical two-parent family worked 26 percent more hours in 2010 than in 1975 but the middle class still feels incredibly squeezed.

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