It is to the credit of human nature, that, except where its selfishness is brought into play, it loves more readily than it hates.

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。

Climate change solutions begin with how we manage our forests.

释义：如果一个人未经努力就想获得报酬，最终可能会遭受不幸和失败。

"Innovation is the ability to see change as an opportunity, not a threat."

寻找互反律是数学史上的一个基本主题。