Societies are still wondering what to do about same sex marriages and in some countries, polygamous marriages.

社会正在解决同性婚姻问题，在许国家还允许妻制。

Most cultures--most human cultures are polygamous.

大数文化——大数人类文化都妻制。

If they really are polygamous and polyandrous, it is bad, but acceptable.

如果他们妻制和妻制，那不好，但可以接受。

The war is, perhaps, severest between the males of polygamous animals, and these seem oftenest provided with special weapons.

战争也许在妻制雄性动物之间最为激烈， 而且这些动物似乎最常配备特殊武器。

In fact, injecting vasopressin directly into a polygamous montane vole’s reward centre increases the likelihood of it becoming monogamous!

事实上，将加压素直接注射到妻制山地田鼠奖赏中心会增加它变成妻制可能性！

Now, that doesn't mean that there aren't some people who live in what are, in effect, polygamous relationships, but they are not legally married.

现在，这并不意味着没有些人实际上生活在妻制关系中，但他们没有合法结婚。