underwrite 承购包销
urban economics 城市经济学
income of urban and rural residents 城乡居民收入
urban and rural markets 城乡市场
urbanization 城镇化
urban per capita disposable income 城镇居民人均可支配收入
sustained, rapid and sound development 持续快速健康发展
ample room for development 充足的发展空间
duplication of production 重复生产
export processing zone 出口加工区