回头客 returned customer
会考 unified examination; general examination
婚介所 matrimonial agency
婚前同居 premarital cohabit
婚前协议 prenuptial agreement
婚外恋 extramarital love; love out of wedlock
混业经营 mixed operation/ management
活到老,学到老 One is never too old to learn.
货币化 monetization
货到付款 cash on delivery