In a few months, it will be four years since the eurozone crisis began –&#160;almost an eternity by historical standards. Much has been done to overcome it.
不出几个月，欧元区就将迎来危机爆发四周年——从历史标准看，称得上旷日持久了。为了克服危机，我们已经做了很多。但宣布任务胜利完成仍然太早。