random assortment

The section is usually a trove of high school acquaintances and a random assortment of colleagues with whom you have mutual friends, but Facebook also suggests friends with whom your common link may be unclear.

这个板块通常会推荐一些高中熟人或者随机找到的有共同好友的人，但是Facebook也能推荐联系并不清晰的人。

And it might occur to some of you that this seems to be an analogy with the Darwinian theory of natural selection where there's a random assortment of random mutations.

也许你们之中会有人觉得，这和达尔文的自然选择理论，看上去很相似，自然选择就是随机突变的随机分配。

It was a randomly cut apart& kind of like Yale College is actually, where you get a random assortment of people.

他们是随机分队的-，这有点像耶鲁大学，你被随机地分到和别人一组。