There are some things so serious you have to laugh at them.

可持续性不是成本，而是对我们共同未来的投资。

The greatest glory in living lies not in never falling, but in rising every time we fall.

追求知识是一生的旅程。

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。