采矿效率来自于持续改进,而不仅仅是重大突破。
当市场下跌时,你轻易的将好东西打折变卖,但是一旦市场向上,再想买回来,难之又难。
Innovation in mining is not an option; it's a necessity for survival.
I am not afraid of death, I just don't want to be there when it happens.