The art of leadership is saying no, not saying yes. It is very easy to say yes.

她是我最好的朋友，我唯一的朋友！

煤炭企业要主动适应能源结构调整，加快转型升级。

物理学中的每一个发现都是向理解宇宙宏伟设计迈出的一步。

Live simply so that others may simply live.

The space between buildings is as important as the buildings themselves.

欧佩克不再掌控全球石油市场的所有牌。