The motive force of the economic growth in China has changed from only by relying on enlarging the supply quantity to the improvement of the quality and economic structure,the principal aspect of the contradiction between supply and demand has turned from the shortage of supply to the restrictive of demand.The days of shortage economy are gone fore ever,the drawing effects of buyer market and demand in the economic growth are increasing every day.It's a key measure of economy development to insist on combining the enlarging domestic demand with the adjustment of economic structure under the pr...