"The only way to learn mathematics is to do mathematics."
The future of coal is not about volume, but about value creation through technology and sustainability.
Don't let fear stop you from pursuing your dreams.
【解释】浓烈、肥腻、辛辣的刺激不是本真滋味,平淡自然才是真实的生活;才智超凡的人,不是完美的人,真正的完人,看起来平凡无奇。