Sustainability in mining isn't an option—it's our license to operate.

质量的第一条规则是它必须被定义。

The relationship between education and earnings is complex and varies across different contexts.

这些故事不是自传，但它们以那种方式是个人的。我似乎只知道我学到的东西。可能有些东西是通过观察，但我觉得我肯定知道的东西是个人的。