英语语法分析

The result will then depend on which outgroup we rely on.

结果就取决于我们采用哪个外群了。

In fact we may even go out of our way to do the opposite of an outgroup.

事实上，我们更可能走相反的路，做非同一类人所做的相反的事。

Before we can use outgroup comparison, we need to know something about the phylogeny.

在我们用外群比对前，我们应该知道一些系统发生的事情。