Although the GATT and WTO continuously promote free trade, tariff and some non-tariff barriers (NTBs) such as quotas and VERs are still adopted to protect domestic industries.

• 摘要虽然GATT与世界贸易组织(WTO)不断的推动贸易自由化，关税与配额仍是许多国家常用的贸易保护工具。