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  1. Copilot 答案
    组织和汇总搜索结果
    An international organization is an institution that draws membership from at least three states, has activities in several states, and whose members are held together by a formal agreement. It is the process by which states establish and develop formal, continuing institutional structures for the conduct of certain aspects of their relationships with each other. According to Pitman B. Potter, it is "an association or union of nations established or recognized by them for the purpose of realizing a common end".