In 1937, American economist Robert coase (R. H. Coase's publication of the essence of the enterprise is considered to be the beginning of a discussion on this issue. Not long ago, U.S. debt long positions were near historic highs. The CFTC's holdings report showed that as of Dec. 12, the 30-year U.S. debt had a net gain of 10.091 million, the highest level since last July. A senior tax official with knowledge of the investigation said: The truth about foreclosures is That NO ONE wants one. You, the homeowner, obviously don't want to loose your own home to a foreclosure. The bank actually does not desire to foreclose. The bank will not have anything to gain by foreclosing on your own home. As a result of foreclosed the bank finds itself which has a home it does not want, a property it may ought to engage a "trash-out" plan to clean, a property it must sell. Even when the lending company does sell a foreclosed home it might loose funds on the sale of the home. About the only person who benefits from a foreclosure will be the "trash-out" service. The new Surface Pro(2017) accounts for 9.2%, roughly the total of the Surface Book(7.5%) and the Surface Laptop (2.0%). (3) lorries: vehicles mainly used for transporting goods. The market is the economic contact method which is the basic content of Commodity Exchange. Under the condition of commodity economy, the premise of exchange generation and existence is social division of labor and commodity production. Because of the social division of labor, the different producers, respectively, engaged in the production of different products, did not meet the needs of themselves and others and exchange their respective product, so that the general labor products into commodities, make the product production is transformed into commodity production. It is under this condition that the market for goods to be exchanged to meet the needs of different producers is born. Therefore, the market is the product of the division of labor and the exchange of goods under the conditions of commodity economy. The market and commodity economy have inalienable internal relation.