the fact or custom of having more than one husband, wife or sexual partner in your life, but only one at a time 连续性单配偶生活，连续性一夫一妻制（指尽管一生有多个配偶或性伴，但同一时间只有一个配偶或性伴） Some research suggests that serial monogamy is good for men but bad for women. 一些研究表明，一夫一妻制对男人有利，对女人不利。