1970年，30至44岁间的女性结婚率为84%，而现在的比率是60%。

In 1970, 84 percent of women ages 30 to 44 were married; now 60 percent are.

youdao

从1970年到2007年，黑人入狱比例猛增；同时，在出生于美国的30到44岁黑人女性中，结婚率从62%下降到33%。

As incarceration rates exploded between 1970 and 2007, the proportion of US-born black women aged 30-44 who were married plunged from 62% to 33%.

youdao

就连结婚率都已降低，二十至三十岁之间的女性中有65%仍然单身。

Even the marriage rate has fallen—65% of women in their 20s are single.

youdao