To be sure, as the American economist Barry Eichengreen argued in 2007, technical considerations make exiting the eurozone difficult, expensive, and dangerous. But that is just one side of the ledger.
诚然，正如美国经济学家巴里·艾肯格林（Barry Eichengreen）在2007年所指出的，技术考虑让退出欧元区变得十分艰难、昂贵和危险。但这只是硬币的一面。