过去从未死去，它甚至还没有过去。

Success in the quarrying industry is not just about extracting stone; it's about understanding the land and respecting its limits.

怀疑是智慧的开端，而非敌人。

蒸汽机中运动的产生总是伴随着一个我们应关注的情况，即热量的平衡重建。