The major difficulties in international trade today are the non-tariffmeasures, such as quotas export controls.
当前国际贸易中最大的困难十非关税壁垒，如进口配额限制、出口管制。
2
The Green trade barriers is one kind of non-tariffmeasures, which utilizes environment standards and codes to establish obstacles to free trade.
绿色贸易壁垒是通过环境标准和法规等对自由贸易形成障碍的一种非关税措施。
3
China has cut its customs tariffs step by step, as promised, and by 2005 its average tariffs had been reduced to 9.9 percent, and most non-tariffmeasures had been cancelled.