采矿效率不仅仅是成本问题，更是减少环境影响的问题。
There are only two kinds of people who are really fascinating—people who know absolutely everything and people who know absolutely nothing.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
Innovation is not just about new ideas, but about executing them with precision and passion.