采矿效率不仅仅是成本问题，更是减少环境影响的问题。
The revolution is a long and arduous struggle, but with determination and unity, victory is certain.
革命是一场漫长而艰苦的斗争，但只要有决心和团结，胜利是必然的。
Inside us there is something that has no name, that something is what we are.
人生短暂，过着过着你就没了，明白么？
每一天都是改变生活的新机会。