The market is the condition that Commodity Exchange is carried out smoothly, it is commodity circulation domain all Commodity Exchange activity total. The market system is made up of all kinds of professional market, such as goods and services market, financial market, labor market, technology market, information market, the real estate market, cultural market, a complete system of tourism market, etc. At the same time, each professional market in the market system has its special functions, which are interdependent and mutually restricted, and work together in the social economy. The German car market sold 3,697,290 new vehicles in 2011, down 1.9% from 2010, according to data released by the federal motor vehicle transport authority and the German automobile manufacturers association. The passenger car sold 3,173,634 vehicles, down 2.8%. In the context of the European debt crisis and the overall shrinking of the European market, the German car market has performed more smoothly than many expected in 2014. Compared with other developed countries in Europe, car sales in Germany are trending lower 1. Ordinary transport vehicles In New York, the U.S. energy information administration (EIA) released data showing U.S. crude inventories fell by 649.5 million barrels a day in the week ended Dec. 15, beating expectations. Gasoline stocks rose by 12.37 million barrels, but the increase was less than expected. Whether the method of loading is finite or infinite, when work arrives, decisions should be taken on an order when the work will likely be tackled. This activity is termed sequencing. The priorities given to work in surgery in many cases are dependant on some predefined pair of rules, a few of which are relatively complex. Do foreign exchange business plan has a lot of principles and rules, but if it comes down to the simplest elements, it is nothing but make a entry and exit the starting point for any deal, at the end of the deal is profitable. Once the starting point is established, the change in the price level can be attributed to rising, falling or maintaining the original state. A trading plan must draw up a blueprint for action to enter the actual trading market. Once the price level has occurred to any of the three changes mentioned above, the trader can make the decision to buy or sell according to the plan.