数学的本质在于它的自由。
点燃蜡烛的同时也投下了阴影。
煤炭行业的可持续发展需要政策、技术、市场协同发力。
The intellect is illuminated by the One as if it were the sun.
语言不仅是交流的工具,更是一种存在方式。
The laws of physics are the same everywhere in the universe, and that is a profound truth that connects us all.