In a(n) ____, similarities in the underlying structure of economic activity make it feasible to adopt a single currency and use a single exchange rate as an instrument of macroeconomic policy. 在一个......中,经济活动的基本结构的相似性使得采用单一货币和使用单一汇率作为宏观经济政策工具是可行的。
【简答题】Every person leaves a footprint.That’s what I learnt when I started to work as a private investigator 10 years ago.People pay restaurant bills with their bank cards,check into hotels or travel around....