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质量从来不是偶然的;它是智慧努力和持续专注的结果。
Quality is never an accident; it's the result of intelligent effort and relentless focus.
释义:天之险在于高不可升,地之险在于山川丘陵。王公设险以保卫国家,险的功用非常大。
煤炭造就了现代世界,我们有责任确保以智慧管理它的遗产。
The man who removes a mountain begins by carrying away small stones.