Energy security is national security.

无人机的普及将重塑许多传统行业。

Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.

Plan your work and work your plan.

The beauty of mathematics lies in its simplicity and depth.

Poverty is not just a lack of money; it is the absence of viable choices.

唯一比被人议论更糟的是无人议论。