Philosophical Background of Concubinage and the Wedding Proprieties in the Western Zhou Dynasty
媵婚与西周婚姻礼法的哲学背景

High speed electric burr abrading procedure for inferior tubinate bone hypertrophy
高速电钻下鼻甲骨磨削术50例

Concubinage has a long history and was common through the early20th century.
男人纳妾得历史悠久，在19世纪早期也非常普遍。

Child concubinage
儿童非法同居

child of a union of concubinage
夫妾关系中的子女

consensual union companionate marriage concubinage
自愿的结合习俗婚姻同居习惯婚姻

Venal concubinage
受利诱的非法同居

Incestuous concubinage with girls
与女孩乱伦非法同居

Concubinage and prostitution spread everywhere.
纳妾和卖淫之风四处蔓延。

A variety of concubinage are parallel society in the Tang Dynasty.
各种纳妾方式并行于唐代社会中。

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。