Margalef put it this way: "From empirical evidence it seems that species that interact freely with others do so with a great number of other species."
马格·列夫这样说:“从观察结果看,物种似乎是自由的和别的物种相互作用,物种数量巨大时也是这样。”
2
We are able to talk about the fact that two plus one equals three, but it's not as though we ever come across Numbers — number three itself — anywhere in the empirical world.