食欲，对食物的渴望，是胃腺持续而强大的刺激物。

The world is more malleable than you think. We can bend it into better shape.

A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.

伟大并不是一种只有我们中的特殊人物才能品尝到的奇妙、深奥、难以捉摸、神一般的特征。它是真正存在于我们所有人中的东西。