我们必须倾听原住民社区的意见;他们在土地管理方面的智慧是无与伦比的。
Efficiency in mining comes from continuous improvement, not just big breakthroughs.
每一天都是一个新的机会。
In mathematics, the journey from question to answer is often more enlightening than the answer itself.
What you do makes a difference, and you have to decide what kind of difference you want to make.