Natural gas is a versatile fuel that can support renewable energy growth by providing reliability when the sun isn't shining and the wind isn't blowing.

事实是，我不是一个很好的人。但我正在努力变得更好。

"To understand a society, look at its trash."

矿工的头盔不仅保护头部——它还象征着辛勤工作的尊严。

面临大事与难事，可看出一个人的责任；处顺境逆境，可看出一个人的胸襟气度；遇喜事怒事，看一个人的涵养；与同辈相处，可看一个人的见识。