将过多的货币锁定在储备中对贸易不利。
The health of our oceans reflects the health of our business.
一个数学家的真正价值在于他们留下的问题。
这本书的前提是,识别别人的错误比识别自己的错误更容易。
One foul sentence does more hurt than many foul examples. For these do but corrupt the stream;the other corrupt the fountain.