marriage of convenience
便利婚姻，指为了非感情因素（如财务、社会地位等）而结婚的婚姻关系
正式·描述功利婚姻
英文释义
a marriage entered into for practical reasons, such as financial or political gain, rather than for love or personal compatibility
例句
Their marriage was a marriage of convenience to combine their family businesses.
典故来源
源于欧洲贵族联姻传统，为政治或经济利益而非爱情结婚。