The value was originally derived from the special material system, the preordering movement of dissipative structure, and the "ordering energy" was the original "value". With the continuous evolution of human beings, "ordering energy" further developed into "generalized and orderly energy", which gradually became the real human value. In a word, the value is derived from the nature, and with the evolution of the human evolution, the development of the society, the development trend of value of ultimate principle is only the movement of the material world and labor of human society. "Conceptual framework" published by the financial accounting standards board 2. Accounting earnings are based on the assumption of accounting instalments, which refers to the production and operation results of a certain period of time. Early accounting earnings is calculated according to the cash basis, and the modern accounting earnings is according to the classification current income and expenses of accrual basis, after the appropriate ratio calculated. However, the benefits of cash determination are more acceptable to users. It includes garbage trucks, refrigerated truck trucks, dump trucks carrying sand, concrete transporters, tankers, as well as trailers, semi-trailers, container trucks, etc. The essence of economic value is human labor in the process of human economic products and relations. The value of the use value of creating products and the labor value of creating production relationship. The value concept in "das kapital" refers to exchange value, which is the essence of capital relations. Can't be replaced by local value In his theory, money supply is controlled by the central bank and is an exogenous variable with no interest rate elasticity. At this point, monetary demand depends on people's psychological "liquidity preference".