"Animals 'emotions are more complicated," says Tsuei. "That's especially true for humans, who must adapt to rapidly changing environments. Our mood swings are wider and our losses of control seriously impact our ability to adapt."
「動物的情緒則是複雜的，尤其是必須適應快速變遷環境的人類，情緒起伏波動更大，如果失控，將嚴重影響其適應能力。」