Du Yanji, director/minister of China New Economic Research Center, said that urban development has encountered the problem of "how to treat children". Urban development should be considered in the long run, and attention should be paid to the construction of circular economy. Governance environment should also be a problem that leaders should consider. This forum should solve practical problems, such as those encountered in the construction of circular economy. /Xin _ Wen _ zhong _ Xin/2004-04/09/content _ 1942976 . htm