But long before we knew what evolution was, humans figured out that if we selected plants or animals with traits we liked and got them to reproduce, their offspring would likely have those same traits.

但早在我们知道进化是什么之前，人类就发现，如果我们选择具有我们喜欢的特征的植物或动物，并让它们繁殖，它们的后代很可能具有相同的特征。