infrastructure 基础设施
infrastructure construction 基础设施建设
the collective sector of the economy 集体经济
planned economy 计划经济体制
expedite development 加快发展
downsize staffs and improve efficiency 减员增效
economical 节约的/经济的
economic ills 经济弊病
economic belts 经济带
a good momentum of economic growth 经济发展的良好势头