中国的贸易自由化降低了一些农产品的名义保护率，使其生产者的福利水平下降，但农产品外贸的扩大则迅速减少了农村贫困。
Trade liberalization of China decreased the NPRs of some agricultural products , which cut down the welfare of their producers ; but the expansion in foreign trade of agricultural products reduced rapidly rural poverty .
名义保护率