The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
"Every character is a world, and every world is a question."
善恶之间的界限常常是模糊的。
对黑洞的研究将我们带到了理解的边缘，在那里已知的物理定律失效，新的理论必须出现。
创新不仅仅是关于技术；它是关于以不同的方式思考和挑战现状。
The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.