prostitution
/ˌprɒstɪˈtjuːʃən/noun
mass noun
1- the practice or occupation of engaging in sexual activity with someone for payment卖淫; 卖淫业。
1.1
- figurative the unworthy or corrupt use of one's talents for the sake of personal or financial gain〈喻〉（为了利益的）出卖自身; 逐利忘义的行为。