释义：看见一片落叶，就知道一年内的时间将要到头了。通过细微的迹象，可以预料到整个形势的发展趋向与结果。

Trust is the foundation of any successful business, especially in the energy sector.

A building must be able to speak for itself.

天子认为对的未必对，天子认为错的未必错。