过去是一个跟随我们的影子，一个困扰我们的幽灵。
The past is a shadow that follows us, a ghost that haunts us.
只要不放弃，梦想一定会实现。
我们开采的资源必须与我们为社会创造的价值相匹配。
"One way of looking at speech is to say that it is a constant stratagem to cover nakedness."
每一吨矿石都在讲述一个故事；我们的工作是明智地解读它。