可以通过对过去事件的观察，形成对未来事件概率估计的一般规则。

Enterprises should actively undertake social responsibilities, create value for employees, and contribute to society.

I don't believe in luck. I believe in preparation meeting opportunity.

世界需要负责任的矿工，他们既了解矿产的价值，也明白地球的价值。