It is not enough that we do our best; sometimes we must do what is required.
仅仅做到我们的最好是不够的,有时候我们得达到要求。
技术创新可以提高效率并减少采矿作业对环境的影响。
The worth of a state， in the long run， is the worth of the individuals composing it.
没有什么比寒冷更灼人。
我试图在我扮演的每个角色中找到真相。