请分析这一英文句子结构,Human relations would not exist:in a world witho
请分析这一英文句子结构,
Human relations would not exist:in a world without friends or enemies,there would be no marriage,affection among companions,or bonds among members of groups.
人际关系将不复存在:世界上没了朋友和敌人,没有婚姻,同伴之间没有感情,群体的成员之间也没有纽带.