sequential monogamy
连续的一夫一妻制
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In such a situation "sequential monogamy" is the best many people can hope for, and it is a wonder that more than half of all marriages survive.
BBC: News | Talking Point | Is marriage an out-dated institution? Read the first comments we received.
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