Parental investment is the key to understanding sex differences in mating strategies.

质量不是愿望；它是一种承诺。

The real challenge in mining is not just extracting resources, but doing it sustainably while creating value for all stakeholders.

当你敢于打破规则时，最好的发现才会到来。

债券市场是市场预期的最终晴雨表。