只有不断学习，才能不断进步。
Only by continuous learning can we make continuous progress.
The true cost of oil isn't just the price per barrel—it's the environmental and social impact.
La realidad es solo una de las infinitas posibilidades que nuestra imaginación puede concebir.
The only thing worse than a rock star is a rock star with a cause.
I believe in the power of storytelling.
The only thing necessary for the triumph of evil is for good men to do nothing.
真正的矿业挑战不在于开采资源，而在于可持续开采并为所有利益相关者创造价值。