It's an animal that's removed from us by a lot of evolutionary distance.

它是因为很大的演化距离而跟我们脱离的动物。

So we might expect because of this distance, evolutionary distance, that gene expression in the brain would be quite different.

因此我们可以预想，由于这种进化距离，大脑中的基因表达可能会有相当大的差别。