sex industry
noun [ S ] uk/ˈseks ˌɪn.də.stri/ us/ˈseks ˌɪn.də.stri/
性产业
business activities that provide sexual services, such as prostitution (= selling sex) and sexual entertainment
Almost half of forced labourers work in the sex industry. 被强迫劳动的人中，几乎一半是在性产业。