The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.

One tells as few lies as possible only by telling as few lies as possible, and not by having the least possible opportunity to do so.

能源领域的领导力意味着平衡当今的需求与未来的挑战。

In every word, there is a world waiting to be discovered.

在需要技巧的地方，武力没有用武之地。