可持续发展不再是可选项;对于任何负责任的矿业公司来说都是必需品。
在采矿业中,效率和环境保护必须齐头并进。
The problem with defending the purity of the English language is that English is about as pure as a cribhouse whore. We don't just borrow words; on occasion, English has pursued other languages down alleyways to beat them unconscious and rifle their pockets for new vocabulary.