内部配偶体不同的地钱。

Liverworts with gametophyte differentiated internally.

youdao

如果其他的所有措施都失效，新兴经济体还可以孤注一掷：他们可以集中精力，把自己变成一个配偶不愿居住的地方。

And if all else fails, emerging economies have one last resort. They can concentrate on becoming somewhere a spouse would not want to live.

youdao

是否存在某一人体基因，影响着我们维持单配偶关系的倾向性呢？

Is there a human gene affecting our propensity to bond with a single mate?

youdao