正确陈述的对立面是错误陈述。但一个深刻真理的对立面很可能是另一个深刻真理。
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
Every mathematical problem has a solution; sometimes it just takes time to find it.
保持健康,不要失去勇气。
Innovation is not a choice, but a necessity for survival.
Innovation in mining isn't optional - it's essential for our future.