But its development so far has forever changed and improved our understanding of currency unions. And that will be true regardless of whether the eurozone achieves the closer fiscal and banking arrangements that remain necessary to sustain it.
说到底，欧元区的未来将由政治决定。但其到目前为止的发展态势永久地改变和改善了我们对货币联盟的理解。不管欧元区实现更紧密的财政和银行安排与否——这仍是维系欧元区的必要条件——这一点都是正确的。