To get married is the custom; To be monogamy is the tradition; To be plural marriage is another tradition in some Middle East countries now.

結婚是人們的習俗；一夫一妻制是習俗日韩一级片网站，一夫多妻制也是如今許多中東國家的習俗欧美性爱在线影视福利网。

Promiscuous - Promiscuity is a mating system in which individuals of both *** es mate with multiple individuals, a combination of polygyny and polyandry.

混雜 -濫交是一種交配系統(tǒng)，使個人的男女隊友多個人首页一黄色视频，它結合了一夫多妻制和一妻多夫制AV影院网站。

In fact, of the 1154 human societies studied by anthropologists, nearly 1000 have permitted polygamy.

事實上，在人類學家研究的1154個人類社會中H动漫全彩纯肉无码，接近1000的社會允許是一夫多妻制的。

Their philosophy of marriage tends to be the same: the negation of arranged marriage and polygamy.

他們的婚姻觀總體上是一致的：對包辦婚姻的否定免费看毛片视频在线播放；對一夫多妻制的否定中文字摹人人精品。

Men in monogamous societies imagine they would be better off under polygyny.

在一夫一妻制的社會中，男性想像著在一夫多妻制社會中會過得更好。

What they don't realize is that, for most men who are not extremely desirable, polygyny means no wife at all, or, if they are lucky, a wife who is much less desirable than one they could get under monogamy.Copyright belongs to Psychology Today.

他們沒有意識到的是综合国产视频，對于絕大多數(shù)一般般的男性而言毛片加双，一夫多妻制意味著沒有老婆，或者全黄欧美，幸運點的人国产一级毛片无码视频，可能娶到一個遠遠不如其在一夫一妻制社會中能娶到的老婆。

Under monogamy, they can monopolize the wealthiest men; under polygyny, they must share the men with other, less desirable women.

在一夫一妻制中国产精品亚洲欧美日韩，她們可以獨占最富有的男性欧美A级喷水视频免费看；而在一夫多妻制中，她們不得不和其他一般的女性共享同一位男性7777网址。

They wanted to find out whether polygynous males had lower survival rates and aged faster than those of monogamous species.

他們想看看一夫多妻制物種的雄性是不是在存活率和衰老速度上都低于和快于一夫一妻制物種欧美日韩黄大片一区。

They wanted to find out whether cabal alz polygynous males had lower survival rates and aged faster than those of monogamous species.

他們想看看一夫多妻制物種的雄性是不是在存活率和衰老速度上都低于和快于一夫一妻制物種。

Despite the fact that humans are naturally polygynous, most industrial societies are monogamous because men tend to be more or less equal in their resources compared with their ancestors in medieval times.

盡管實事上人類天性是一夫多妻制黄频网页免费，大多數(shù)工業(yè)社會都是一夫一妻制看A片免费的网址，因為相對于中世紀的祖先而言，現(xiàn)代男性差不多平等地占有資源免费簧网站永久在线播放国产。