Although the society of the lahaul valley is patrilineal , the practice of polyandry gave women considerable sway over many matters .
尽管拉豪尔谷地的社会是父系社会,但一妻多夫的习惯给妇女在许多问题上相当大的决定权。
We lack the type of physiology or anatomy that in other mammals determine their mating system , and have come up with societies based on monogamy , polygyny , and polyandry .