Commercial sex encounters
Commercial sex workers
女性性工作者
商业性服务人员
暗娼人群
娱乐场所性工作者
性工作者
性服务工作者
暗娼
commercial sex workers CSW
female commercial sex worker
female commercial sex workers
female commercial sex workers CSW
Premarital sex behavior
Unprotected sex behavior
1060 commercial pure Al
1060 commercial purity aluminum