哲学实际上应该只被写作一种诗歌形式。

金融模型的真正考验不在于它有多复杂，而在于它是否能很好地捕捉经济问题的本质特征。

Leadership in the coal industry today means navigating the delicate balance between economic necessity and environmental responsibility.

The past is not dead, it is not even past.

创新不仅仅是技术，还包括商业模式和生态系统。