Who one's parents are, what country they live in, and how rich they are, make a large difference to a person's opportunities in terms of life expectancy, education, access to services, and economic ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果