1. Women and youth in rural Southern communities now constitute the fastest growing segment of people with AIDS.
    南部农村社区的妇女和青年是数量增长最快的艾滋病患者群体。

2. And on Asians. Already, orientals and Asian Americans constitute the majority of the engineering staffs at many Valley firms.
    靠的是亚洲人。硅谷许多公司中工程技术人员的大多数是东方人和亚裔美国人。