But first let us look to a few analogous cases in our domestic varieties.

但首先让我们看看国内品种中的几个类似案例。

But what concerns us is that the domestic varieties of the same species differ from each other in almost every character, which man has attended to and selected, more than do the distinct species of the same genera.

但我们关心的是， 同一物种的家养变种在几乎每个性状上都彼此不同，人类已经注意和选择了这一点， 这比同一属的不同物种之间的差别更大。