在 21世纪初期，我国经济和社会发展面临纷繁复杂的矛盾和问题，其中，既有产业结构、地区结构等结构性问题，也有有效需求不足这一总量问题；既有明显的就业压力问题，也有潜伏的金融风险问题；既有水资源、石油资源等战略性资源短缺问题，也有城乡差距、地区差距和居民收入差 In the early 21st century, China’s economy and social development are faced with numerous and complicated contradictions and problems. Among them, there are both structural problems such as industrial structure and regional structure as well as the total effective demand problem. There are not only obvious problems of employment pressure, There are also potential financial risks; there is a shortage of strategic resources such as water resources and oil resources, as well as urban-rural gaps, regional disparities and income inequality