当前,世界经济复苏疲软、增长乏力,传统增长引擎对经济的拉动作用减弱。发达经济体已进入后工业化时代,但一些发展中国家却尚未开启现代化的大门,区域、次区域发展面临瓶颈:相当多的国家基础设施不足,亟需上马建设;出 At present, the global economic recovery is sluggish and the growth is sluggish. The effect of the traditional growth engine on the economy is weakened. Developed economies have entered the post-industrial era, but some developing countries have not yet opened the door to modernization, and their development in the region and the subregion faces bottlenecks: a considerable number of countries lack infrastructure and are in urgent need of launching construction;