This was all implicit in the European Union’s single-market initiative. The eurozone went one step further, aiming through monetary unification to eradicate fully the transaction costs associated with national currencies and exchange-rate risk.
这些都是欧盟单一市场方案的应有之义。欧元区则更进一步，旨在形成完全的货币联盟，彻底消除与国家货币和汇率风险有关的交易成本。