Concubinage has made a come back in recent years.

而最近这些年，纳妾之风似乎有回潮的趋势。

Concubinage has a long history and was common through the early 20th century.

男人纳妾的历史悠久，在19世纪早期也非常普遍。

Emperor Taizong, who was named to the Minister Fang Xuanling concubinage, the Minister's wife interfered.

唐太宗要为一位名叫房玄龄的大臣纳妾，大臣之妻横加干涉。

The institutions of slave girls, concubinage and forced marriage were also irrevocably tied to the landlord system.

蓄婢、纳妾和包办婚姻的习俗也是与地主制度分不开的。

Take, for example, the fine common law on which the practice of concubinage, which means to sleep together, is based.

例如，根据明细的普通法，同居关系，意思是以共同居住为基础。