最优货币区是指能够以最小的实际经济干扰来稳定就业和价格的区域。

在我们迈向低碳未来的过程中，天然气将在能源结构中发挥关键作用。

Diplomacy requires enduring patience and steadfast determination to drive the resolution of complex issues.

A sound mind in a sound body, is a short, but full description of a happy state in this World: he that has these two, has little more to wish for; and he that wants either of them, will be little the better for anything else. Men’s happiness or misery is most part of their own making. He, whose mind directs not wisely, will never take the right way; and he, whose body is crazy and feeble, will never be able to advance in it.

有人认为坚持使我们强大，但有时放手才是最好的。

Don't wait for permission to make a difference.

The only way to keep the small folk loyal is to make sure they fear you more than they fear your enemies.