去年３月以来，国际原油价格持续上扬，对世界经济产生了新的冲击。受国际原油价格上涨的影响，从去年１１月以来，我国已４次提高成品油价格，涨幅达到２０％以上。石油是重要的基础能源，其价格的大幅上升，将会带动国民经济其他部门的成本或费用支出增加，从而将可能导致在 Since March last year, the international crude oil prices continued to rise, exerting a new impact on the world economy. Affected by the international crude oil price rise, China has raised the refined oil prices four times since November last year, up more than 20%. Oil is an important source of basic energy. Its sharp rise in prices will lead to an increase in costs or expenses in other sectors of the national economy,