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在一切事务中,偶尔将一个问号挂在你长期以来视为理所当然的事物上是一种健康的做法。
In all affairs, it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.
The coal industry is not just about digging rocks; it's about powering lives and fueling progress.
乐观主义者倾向于将他们的麻烦解释为暂时的、可控的和特定于一种情况的。另一方面,悲观主义者认为他们的麻烦会永远存在,破坏他们所做的一切,并且无法控制。
The stock market is filled with individuals who know the price of everything, but the value of nothing.