If we were any other kind of mammal, or any other kind of animal, we would say, "That must be something to do with pheromones," and we'd start looking properly.
如果我们是其它种类的哺乳动物 或者其它种类的动物， 我们会说， “这一定和费洛蒙有关”， 然后我们开始研究它。