The basic economic unit of society in the primitive society of the clan, tribe, slave owners in the slave society, feudal society's family and the manual workshop, after the evolution of the form of this modern form in a capitalist society was born enterprise. The capitalist mode of production first developed from industry and gained dominance, then gradually expanded to agriculture. Because there are two kinds of monopoly in the agriculture, the monopoly capitalism and operation of land and land ownership of monopoly, so it does not have such as like the sort of free competition in the industry, thus hindering the average profit margin. Therefore, the excess profit in agriculture is converted into rent. First, the individual production price of land products is lower than the social production price. The second is absolute rent from the value of land products beyond the price of social production. Both rent entity, agricultural employment is part of the surplus value created by laborer, it embodies the land owners through agricultural capitalist production relations of common exploitation agricultural workers. On the surface, however, the rent is distorted as the value of the land itself, or the gift of nature, thus disguising the real class relationship completely. 2. Open securities investment account But the DRAM and NAND semiconductor industries have gone from boom to bust in the face of rising prices and the abundance of falling prices. Will it be any different this time? Or is the need for mobile device memory and disk replacement sufficient to continue to delay the abundance until the foreseeable future? An open market enables enterprises to compete and cooperate with each other on a larger scale and at a higher level to promote economic development. Mr Trump's deceptive tweets about us companies, pushing for offshore production or tax reversals, are only cheap talks, and business leaders know. The manufacturers fooled Mr Trump into thinking they would continue to quietly move their operations to Mexico, China and elsewhere in the us. And the upcoming international terms of tax legislation will make American multinationals have greater incentive to investment, employment and production abroad, at the same time the use of transfer pricing and other solutions in the lower stripping profits tax area.