开拓城乡市场的英文：
develop urban and rural markets

参考例句：

Exploit the urBan and rural markets
开拓城乡市场

develop是什么意思：
v. 使发展，成长；详尽阐述；展开；开发；逐渐产生；逐渐养成；进步，进化

development parameter
发展参数；发展规范

development of gas
放出气体；放出毒气

Coordinate economic development with social development
把经济发展和社会发展结合起来

urban是什么意思：
adj. 城市的；住在都市的；具有城市特征的

Urban life brought urban refinements: newspapers and periodicals, libraries, clubs and societies.
都市生活带来了都市的文化享受：报纸、杂志、图书馆、俱乐部、社交团体。

Urban infrastructure facilities have improved considerably
城市基础设施有了很大改观。

urbanized industry was limited primarily to the Northeast
城市工业主要局限于东北部。

rural是什么意思：
adj. 乡村的，田园的，有乡村特点的；生活于农村的；农业的

REA (Rural Electrification Administration)
农村电气化管理局

Thanks to the emancipation of rural productive forces the rural economy has achieved a rapid development
随着农村劳动生产力得到解放，乡村经济发展迅猛

Rural credit cooperatives have become the main force of rural financial service.
农村信用社已成为农村金融服务的主力军。