求翻译：许多早期的社会学家都曾研究过社会交换行为，直到20世纪60年代交换理论的产生，标志着研究进入新的阶段。社会交换理论认为人类的一切行为，都受到能带来奖励和回报的交换活动所支配，因此，人类一切活动都可以归结为一种交换。在婚姻家庭中亦是如此，家庭是由婚姻、血缘或收养关系所组成的社会组织的基本单位。家庭是社会关系的重要组成部分，而家庭中的交换行为是家庭运行的关键。是什么意思？

Many early sociologists have studied the behavior of social exchange, the exchange until the 1960s the theory of production, marking a new phase study. Social exchange theory that all human behavior, are subject to incentives and rewards can bring dominated by the exchange activities, therefore, all

Many of the early sociologists have studied social exchange until the 20th century, and the resulting theory, exchange 1960s marked the study entered a new stage. social exchange theory is that human beings are all subject of all acts can bring rewards in exchange activities and return the dominant,

Many early sociologists have studied the social exchange, until the emergence of Exchange theory in the 1960 of the 20th century, mark entered a new stage of the study. Social exchange theory is that all human behavior, bring rewards and returns are subject to exchange control, therefore, all human