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,从而促进贸易和投资。
I must have flowers, always, and always.
世界上充满了显而易见的事情,但没有人注意到。
科学家最强大的工具是开放的思维。
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.