1. 业务：administration 管理/行政 | affaire 业务 | arrangement 整理/协议
2. 买卖：adjudication 拍卖/招标 | affaire 买卖 | braderie 旧货集市
3. 风流韵事：aerosol 喷雾剂 | affaire 风流韵事 | Afghan coat 阿富汗外套
noun
1. a usually secretive or illicit sexual relationship
Synonym: affair intimacy liaison involvement amour