translation.en: 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.
translation.zh: 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。