Its long-term viability requires the development over time of a full banking union, fiscal union, economic union, and eventually political union. But the process of further European integration has stalled.
最后，欧洲货币联盟依然不完整。其长期可行性需要逐渐发展出完整的银行联盟、财政联盟、经济联盟以及最终的政治联盟才能保证。但欧洲进一步一体化的过程陷入了停滞。