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采矿业必须进化否则就会过时,没有中间地带。
The mining industry must evolve or become obsolete—there's no middle ground.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
过去从未死去。它甚至不是过去。
天赋是不够的,你需要正确的态度。
False happiness renders men stern and proud, and that happiness is never communicated. True happiness renders them kind and sensible, and that happiness is always shared.