It's just that we're always thinking of this guy as lagging behind us, evolutionarily or somehow uncannily creeping up on us, and in some cases, he gets places before us.
只是我们总是觉得它被我们甩在身后， 奇怪的在进化的过程中尾随着我们， 而在某些情况下，他在我们的之前到达一些地方。