trace sth. to sth.中等

Now, researchers have used genomes of over 200 donkeys to trace their domestication back to a single event around 7,000 years ago in East Africa — about 3,000 years before humans tamed horses.

如今，研究人员利用200多头驴的基因组，将驴的驯化追溯到大约7000年前发生在东非的一次单一事件——比人类驯服马早了约3000年。

(47) Here, Darwinism seems to offer justification, for if all humans share common origins, it seems reasonable to suppose that cultural diversity could also be traced to more constrained beginnings.

(47) 在这方面，达尔文学说似乎提供了理据，因为如果全人类有着共同的起源，那么假定文化多样性也能追溯到更为有限的源头似乎就是合理的。