实际上，有关退出欧元区的讨论日趋激烈，特别是一些南欧国家，它们急需重新获得竞争力。 但首先我们先来看看退出欧元的真正代价。
Introducing a new, weaker national currency to substitute for a stronger one in times of financial distress is an altogether different matter, about which most economists know almost nothing.