At the end of this section, the author introduces some other related problems about IEL, such as conflicts of treaties, explanation of treaties, and relations between treaties and domestic law.

• 在“习惯国际经济法”一节，笔者主要探讨了两个问题：其一，是否存在某个习惯国际经济法规则是个事实问题，要从理论上去证明是否存在某个习惯国际经济法规则是很难或不可接受的，理论上只能指出一个方法；