煤炭的可持续未来取决于我们能否在不牺牲依赖该行业的人的生计的情况下整合更清洁的做法。
Modern quarrying requires us to be geologists, ecologists, and community diplomats simultaneously.
智慧的终极目标是梦想足够高远,以至于在追寻过程中忘却这个梦想本身。
To write a life is to walk a tightrope between fact and interpretation.