mercenary marriage

• 着眼实利的婚姻,买卖婚姻

mercenary marriage的用法和样例：

例句

1. Affiance originated from mercenary marriage of ancient society.The relative law of most countries or regions also stipulate the affiance system.
   摘要婚约起源于古代社会的买卖婚姻，近现代多数国家或地区亲属法也规定了婚约制度。