This is not a complete truism in a polygynous marriage, and is a criticism of monogamous marriages as well.

在一夫多妻婚姻里欧美精品视频1区2区，這個觀念并不具有完全的真實性av大全免费看，同時也是對一夫一妻制的一種批判国产精品视频三区。

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(jié)婚是人們的習(xí)俗视频一区国内自拍；一夫一妻制是習(xí)俗97资源碰碰人人操，一夫多妻制也是如今許多中東國家的習(xí)俗免费av在线网址。

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男人天堂网免费视频在线观看。

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

在一夫一妻制中亚洲色B色色，她們可以獨占最富有的男性；而在一夫多妻制中av福利在线网站，她們不得不和其他一般的女性共享同一位男性图片小说视频日韩欧美。

Betzig thought,"I told you so." Betzig points out that while powerful men throughout Western history have married monogamously, they have always mated polygynously (they had lovers, concubines, and female slaves).

Betzig 稱&我對你們說過了& Betzig指出自拍日韩在线视频观看网站免费，雖然在西方的歷史里有權(quán)利的男性都是遵照一夫一妻制（一次只擁有一個法定妻子），當(dāng)他們往往會和&一夫多妻&一樣交配（他們有情人无码少妇精品一区二区免费、小妾一级一级一级毛片黄、女性奴隸）。

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久久器只。

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欧美日韩视视频免费午夜在线观看。

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，大多數(shù)工業(yè)社會都是一夫一妻制高清无码乱伦视频，因為相對于中世紀(jì)的祖先而言欧美老妇交乱视频免费，現(xiàn)代男性差不多平等地占有資源。

To test that idea, Cambridge University and Kavita Isvaran of the Indian Institute of Science in Bengalooru decided to compare monogamous and polygynous species (in the latter, a male monopolises a number of females).

為了證實這一理論午夜影院视频，劍橋大學(xué)的蒂姆·克拉頓布勞克與印度科學(xué)研究所的卡維他·伊斯瓦蘭決定將一夫一妻制的物種與一夫多妻制的物質(zhì)進(jìn)行對比（后者一雄性占據(jù)多數(shù)雌性）九色高清bb在线视频。

To test that idea, Tim Clutton-Brock of Cambridge University and Kavita Isvaran of the Indian Institute of Science in Bengalooru decided to compare monogamous and polygynous species (in the latter, a male monopolises a number of females).

為了證實這一理論，劍橋大學(xué)的蒂姆·克拉頓布勞克與印度科學(xué)研究所的卡維他·伊斯瓦蘭決定將一夫一妻制的物種與一夫多妻制的物質(zhì)進(jìn)行對比（后者一雄性占據(jù)多數(shù)雌性）全网最大的黄色网站免费观看。