Sustainability is the future of quarrying, and we must act now.
可持续性是采石业的未来,我们必须立即行动。
The most important thing is to avoid losing money.
I don’t chase success, I chase excellence.
一个奇怪的事实是,关于地球史前条件得出了完全相反的结论,这反映了我们目前知识的不完整状态。