在缺乏形成更紧密的财政和政治联盟的明确道路的背景下 — — 这一点只有通过修宪才能实现 — — 当前的欧元体系只是半吊子工程，且正在变得越来越难以为继。
Absent a clear path to a much tighter fiscal and political union, which can lead only through constitutional change, the current halfway house of the euro system appears increasingly untenable.