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。
To do mathematics is to explore an infinite landscape of ideas.
世界上充满了神奇的事物,耐心地等待我们的感官变得更加敏锐。
I'm not a star. I'm just a girl who writes songs and sings them.