non profit event At the time of. The shape of the car was similar to that of the "sedan" in ancient China, and was as glorious as the car. The car was then called a car. First car, its body modelling is basically used for the carriage, in the form of so called "horseless carriage" English name Sedan is refers to the European noble a luxury passenger carriage, decoration not only pay attention to, and it is enclosed, wind, rain and dust, and to improve the degree of safety. When it was introduced to the United States in the 18th century, it was only possible for rich people in a few big cities such as New York and Philadelphia to enjoy it. When ford introduced the model T model in 1908, the body was changed from open to closed, and its comfort and safety improved greatly. Ford referred to his "Closedcar" as Sedan. The famous ford model T is the best car in the world. Security is very important, reduce risk is big potential! Central bankers' tasks are limited to keeping inflation stable and independence easier to maintain. Given this narrow mandate, the allocation of central bank decisions is limited. Moreover, it is easier to explain how the central bank's policy tools are linked to its political mandate. Profits of socialism and capitalism have substaintial distinction, is it to create value for the society, in order to expand socialist reproduction and improve people's living conditions, is the socialist accumulation and the main source of social consumption funds, is to measure and evaluate enterprises an important indicator of economic activity. We should improve the market supervision system of administrative law enforcement, industry self-discipline, public opinion supervision and mass participation.