introduction of non profit organisation The earliest efforts were made in the areas of canning, Alexandria, munez and spaurous. The accounting income maintains the financial capital preservation, namely, the monetary value that only requires the owner to invest is not eroded, the enterprise income exceeds the input value part is the accounting income. Accounting focuses on reporting financial results. The economic benefits insist on physical capital preservation, which can only be confirmed when the actual production capacity of the owner is saved. It is believed that only by maintaining the actual production capacity of the enterprise can the enterprise reproduce smoothly. Physical capital preservation is more meaningful than the income of financial capital preservation, but it is difficult to measure. Some would say that the central bank's way of ensuring independence is to abandon macroprudential policies and micro-prudential policies and to take unconventional interventions in the securities market. But the crisis is an important lesson, macroeconomic and financial policies are closely connected, when the two tasks in the same institution, management by different commission, their coordination is the most effective. And because interest rates are low and uncertain, a crisis is coming, and unconventional policies will come back. Solution: as long as the gasoline in the tank is exhausted, the extra gasoline vapor in the tank can be fired into the cylinder by the negative pressure of the engine, and no gasoline vapor will overflow. The level of productivity of society determines the organizational form of social basic economic units. Enterprise is the result of the development of social productive forces to a certain level, which is the product of commodity production and exchange of goods. Car stylists dress up cars as human beings. For example: the eyes of the car - headlights; Mouth -- air intake; Lung - air filter; Blood vessels -- oil roads; A circuit of nerves; A heart engine; Stomach - tank; Feet -- tires; Muscle - mechanical part. Try to inject a cold machine into life, make it have extraordinary artistic charm, give a person with aesthetic feeling. Automobile body form in the development process mainly experienced horse model automobile, box car, beetle type automobile, boat type automobile, fish type automobile, wedge car.