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Innovation in coal mining isn't just about extraction—it's about doing it smarter, safer, and with greater respect for the environment.
真相很少是纯粹的,也从不简单。
Every nation shares the responsibility to protect our oceans, regardless of their coastline size.
I'm not afraid of dying, I'm afraid of not trying.
朗兰兹纲领的猜想不仅仅是待解决的问题,而是关于数学应该如何的愿景。