外经贸部有关人士日前指出，根据我国加入WTO的有关协议，在法律制度方面，我国将建立统一的贸易管理制度。“统一”包括以下三个层面：一是各级政府不能“政出多门”；二是从上到下，不能“上有政策、下有对策”；三是现有的各种特区（经济特区、开发区、开放城市等）对外经贸 Recently, relevant departments of the MOFTEC pointed out: According to the relevant agreements on China’s accession to the WTO, China will establish a unified trade management system in respect of the legal system. The “unification” includes the following three aspects: First, governments at all levels can not “go beyond politics”; second, from top to bottom, they can not “have policies on them and countermeasures on their own”; third, they have all kinds of special economic zones Special zones, development zones, open cities, etc.) foreign trade and economic cooperation