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承认规则作为一种社会事实存在。
A coragem não é a ausência do medo, mas a vitória sobre ele.
建筑业必须进化,否则将面临被淘汰的风险。
Innovation in coal mining isn't just about extraction—it's about doing it smarter, safer, and with less environmental impact.
我们在对自然法则的认识上越深入,就越能在以前只看到复杂和不和谐的地方发现简单与和谐。