每天十組表達，幫你日積月累應考，輕輕松松過關(guān)！
    underwrite 承購包銷
    urban economics 城市經(jīng)濟學 　
    income of urban and rural residents 城鄉(xiāng)居民收入
    urban and rural markets 城鄉(xiāng)市場
    urbanization 城鎮(zhèn)化
    urban per capita disposable income 城鎮(zhèn)居民人均可支配收入
    sustained, rapid and sound development 持續(xù)快速健康發(fā)展
    ample room for development 充足的發(fā)展空間
    duplication of production 重復生產(chǎn)
    export processing zone 出口加工區(qū)