按照国民经济核算的理论，在生产角度的国内生产总值被社会劳动创造出来的同时，对资金角度的考量在平行进行。国民经济循环运行的收入分配和使用过程中，最重要的一些流量就是，由收入。消费、储蓄和投资形式的数字链。这几个重要的国民经济数字之间结成了相互传承的紧密关系 According to the theory of national economy accounting, while the GDP of production perspective is created by social labor, the consideration of capital perspective is carried out in parallel. The most important part of the distribution and use of income during the cycle of national economy operation is the income. Digital chain in the form of consumption, saving and investment. There is a close relationship between these important national economic figures passing through each other