affluent families

Especially in affluent families, children start young.

特别是在富裕的家庭中，孩子们起步很早。

Will such contests, which are overwhelmingly dominated by Asian and white students from middle-class and affluent families, become any more diverse?

这种由来自中产阶级和富裕家庭的亚裔和白人学生占压倒性优势的竞赛，会不会变得更加多样化？

Among the millions with hourly earnings at or below the minimum wage level, the overwhelming majority are from multiple-earner, relatively affluent families.

在每小时工资处于或低于最低工资水平的数百万人中，绝大多数来自有多收入者、相对富裕的家庭。