how to flip cars for profit Competition refers to the economic subject in order to maintain and expand their own interests and take all sorts of behavior, the behavior of self-protection and expansion efforts in product quality, price and service advantages, varieties, etc. (3) lorries: vehicles mainly used for transporting goods. The value was originally derived from the special material system, the preordering movement of dissipative structure, and the "ordering energy" was the original "value". With the continuous evolution of human beings, "ordering energy" further developed into "generalized and orderly energy", which gradually became the real human value. In a word, the value is derived from the nature, and with the evolution of the human evolution, the development of the society, the development trend of value of ultimate principle is only the movement of the material world and labor of human society. Palmer said: "I'm worried about the British retailers are now in the midst of a perfect storm, interest rate decisions in November, rising inflation, real wages, falling credit availability and the UK to take off the European uncertainty increased, these during the Christmas season for caused an unprecedented pressure on household budgets, pushed consumer confidence to historic lows. "Historically, the concept of income has first appeared in economics. Adam Smith, in the wealth of nations, defined income as "the amount of consumption that is not eroded by capital", and saw it as an increase in wealth. Later, most economists inherited and developed this view. 1890, ai (Alfred Marshall Maarshell) in its "the principles of economics," the Adam Smith's "wealth increase" enterprise, introduced the concept of earnings, is proposed to distinguish the entity capital and value-added benefits of economic benefits. As the center of global automotive engine research and development and production, Britain's powertrain design has always maintained the world's leading level, especially in engine design. In 2013, the UK produced 2.55 million engines, accounting for 30 per cent of total European engine production, with 62 per cent of the engines exported to more than 100 countries.