The great advantage of a single currency is that it eliminates exchange rate uncertainty and reduces transaction costs.
单一货币的最大优势在于消除了汇率不确定性并降低了交易成本。
The best ideas come from not knowing the answer.
To overcome the anxieties and depressions of contemporary life, individuals must become independent of the social environment to the degree that they no longer respond exclusively in terms of its rewards and punishments.
