英语翻译1.各种形式的贸易壁垒主要来源于*干预.（government intervention）.2.近年来中国经济迅速增长,贸易结构也相应改变很大.3.当前国际贸易中最大的困难是非关税壁垒,如进口配额、出口管制等.4.现在的大多数贸易协定是多边协定,不是双边协定.

!All kinds of trade barriers mainly comes from government intervention.2.In resent years China's economy increase rapidly,the trade structure also changes greatly.3.At present the most difficuties in international trade are non-customs duty,such as import volume of trade and export control.4.At present most of the trade agreements are multiple agreements,not by-letural agreements.