insurance for not for profit organizations With the development of productivity and social progress, the enterprise form has been continuously developed and improved. The evolution of an enterprise mainly goes through three stages Not only can consumers have more choices in the price, variety and service of commodities, but also make it better for enterprises to purchase production factors and sales products. This is one of several economic forecasters who will suffer a downturn if voters leave the eu. Turning interest into creating equality - bubbles are a sign of market demand and represent a majority of people's expectations of financial returns. We should see it as an opportunity for development. But if we stop, we may continue to centralize wealth, repeat the traditional power structure and miss out on real opportunities. "If there is no allow most of the European Union oriented financial services agreement, the financial sector accounts for about 7% of GDP, but about 10% of tax revenue and 14% of the exports, may be affected by the special Britain will stay there," the report said.