释义:杜绝不良嗜好,禁止过度欲望,从而摆脱牵累;抑制错误行为,减少邪恶之事,从而消除过错;减少饮酒,远离美色,从而保持自身清白。这是对修身养性、克制欲望的教导。 
粒子的概念只是一种近似,仅在特定极限情况下有效。
The wall tells a story.
The future energy structure will be diversified, and the coal industry needs to find its own positioning.