光的理论实际上是弹性介质振动的理论。

Every explosion is a dialogue with the unknown. 每一次爆炸都是与未知的对话。

Sustainability is no longer an option; it's a business imperative for long-term survival.

Great leaders are willing to make the tough decisions that others avoid.

沉默不是声音的缺失，而是更深层事物的存在。