2 pair out on a Friday night, coupled. Yeah, a double date.

两对情侣在周五晚上出去，双对的。是的，四人约会。

Pigeons live in pairs, and the mates are very fond of each other.

鸽子是双对地生活的, 彼此非常恩爱。

Only about 3% of mammals are monogamous, and, although 95% of birds pair off (at least for one breeding season) , paternity tests have revealed that the avian world is chock-full of cheaters.

只有大约 3% 的哺乳动物是一夫一妻制，虽然 95% 的类都是双对的（至少在一个繁殖季节内），但亲子鉴定，类世界充满了骗子。

When your wife dies, it must be depressing to see other people in a loving relationship.

谁的妻子死了 看见双对的幸福 心里都会不舒服的。

We'll see couples rowing in row boats and paddling in paddle boats.

我们会看到双对的人在划船和划桨。

So that's where the animals two by two.

所以这就是动物双对的原因。

The third wheel, like we have this certain amount of like underlying ire reserved for any woman who isn't coupled up.

第三者，就像我们对任何没有双对的女人有一种潜藏的怒气。

Not always, and not in pairs.

并不都是 更不会双对的。