科学必须是世界上的一股善的力量。
The ground floor is where the city and the building meet - it's the most important level.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
你越了解自己,就越能对他人所见保持耐心。
煤炭的真正价值在于我们如何负责任地开采和使用它。
Collaboration across the supply chain is key to driving efficiency and reducing waste.