可持续性不仅仅是一个流行词;它是负责任的采矿的基础。
"The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves."
孔子说:“树立崇高理想、培养高尚品德、心怀仁慈友爱、陶冶高雅情操。”