“2 1世纪将是一个新的城市世纪” ,这是在联合国召开的“大城市管理”国际研讨会上各国专家学者的共识。在 2 1世纪 ,各个国家的经济将比现在更大程度上依赖于城市经济 ,全球城市化的进程将继续得到推进 ,预计 2 0 30年世界城市化水平将达到 6 0 %以上。改革开放 2 0多年来 , “The 2 nd century will be a new century in the city”, which is the consensus reached by experts and scholars from all countries at the “International Conference on Mega-city Management” convened by the United Nations. In the 21st century, the economies of various countries will depend more on the urban economy than now, and the process of global urbanization will continue to be promoted. It is estimated that the world’s urbanization level will reach 60% or more in 30 years. More than 20 years of reform and opening up,