The trade preferences granted to the LDCs remained underutilized owing to non-tariff barriers, and the export subsidies given by some developed countries prevented the full participation of LDCs in international trade.
给予这些国家的贸易优惠由于非关税壁垒以及一些发达国家实行出口补贴始终没有用足，这阻碍了这些国家充分参与国际贸易。