煤炭行业的未来在于清洁化、低碳化、智能化。
Sometimes I'll start a sentence and I don't even know where it's going. I just hope I find it along the way.
几何学是独特且永恒的,是上帝心智的反映。
人类行为是进化心理机制的产物,这些机制处理来自环境的信息。