Assistant professor Lu Hsu-ya of Tamkang University's psychology department explains, "Our ancestors ate raw flesh and battled with wild beasts every day.
「對於我們茹毛飲血、天天與猛獸搏命的祖先，憤怒是一種保命的本能，」淡江大學心理系助理教授呂旭亞解釋。