He came from a perfectly respectable middle-classfamily.
他来自一个非常体面的中产阶级家庭。
《柯林斯英汉双解大词典》
2
It's the average American middle-classfamily who's being priced out of the market.
美国普通中产家庭被挤出了市场。
3
During the past generation, the American middle-classfamily that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities.