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Understanding the history of computing is crucial for innovating its future.
当你打开油漆或颜料时,哪怕只用一丁点,无论你多么小心,它总会沾到你的衣服,不妨准备好新的着装。
战争是一场悲剧,但有时是必要的。
The transformation of the coal industry requires both determination and patience.