translation.en: Clearly, human locomotion is more complex than cat and salamander locomotion, but at the same time, the nervous system of humans is very similar to that of other vertebrates.
translation.zh: 显然，人类的运动比猫和蝾螈的运动更为复杂 但是另一方面，人类的神经系统 和其他脊椎动物的十分相似