经济联盟的成员不仅要在税收、政府开支、产业政策等方面保持一致，而且还要使用统一的 货币。
The members of an economic union are required not only to harmonize their taxation,government expenditure, industry policies, etc. , but also use the same currency.
经济联盟的成员不仅要在税收、政府开支、产业政策等方面保持一致，而且还要使用统一的 货币。
The members of an economic union are required not only to harmonize their taxation,government expenditure, industry policies, etc. , but also use the same currency.
