Because of the specialty of natural monopolistic industry, it occupies a very important position in national e-conomy, and government pays much more attention to its price regulation all the time.

• 由于自然垄断产业自身的特殊性,因此它在国民经济中占据着十分重要的地位,而其价格规制一直以来都受到政府的高度关注。