The next chapter of American energy won't be written by clinging to old playbooks, but by those willing to rewrite them.

A healthy forest ecosystem supports both nature and commerce.

在数学中，旅程和目的地同样重要，因为正是通过发现的过程，我们才能真正学习。

力量微薄却肩负重任，长久以来精神疲惫，若再勉强支撑，衰弱的身体必定无法承受。