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。

"A mathematician is a device for turning coffee into theorems."

What I feared most for myself at your age was not poverty, but failure.

The best films are the ones that stay with you long after you’ve seen them.

股市是一个将钱从急躁的人转移到耐心的人的工具。