史蒂文斯遭谋杀源于深仇宿怨。Stevens's murder was the result of a deep-seated and intense hatred.他的观点源于他卑微的出身。His views come from his own humble beginnings.严格的职业道德源于清教主义。Out of Puritanism came the intense work ethic....

“源于”的英语可以翻译为：oot ...