But Kupchan’s analysis implies that a common currency can help nation-states to build lasting friendships, for he argues that friendship-building is most secure after an identity-changing “narrative” takes root, leading to a sense that the nations are like members of a family. A common currency can help to generate such a narrative.
但库普乾的分析也表明，共同货币有助于民族国家建立持久的友好关系，因为他指出，友好关系的建设在身份变换“故事”（narrative）已经完成时最为稳固，此时，各民族彼此认同为同一个大家族的成员。共同货币有助于产生这样的“故事”。