The concept of Deficiency is the startingpoint of Existential Marxist ideology.Satre made use of it to grasp the existence of man and society as well as the historical developments.

• “匮乏”概念是存在主义马克思主义思想体系的出发点,萨特用这一概念来理解人的存在、社会的存在和历史的发展。