1．改变“单打一”贸易方式。据南方共同市场成员国介绍，目前各成员国之间交流的商品已有85％为零关税，最终将全部实行零关税。我国产品面对享有优惠关税的当地产品的不平等竞争，价格优势很大程度上被抵消。另外，相当一部分国家都还在不同程度地实行贸易保护主义，针对我国 1. Change the “single hit one” trade mode. According to the member states of the Southern Common Market, currently 85% of the goods exchanged between member countries are zero tariffs, and all tariffs will eventually be imposed. In the face of unequal competition for local products that enjoy preferential tariffs, the price advantage of our products is largely offset. In addition, a considerable number of countries still implement trade protectionism to varying degrees and