The Langlands program is not a finished edifice but a living, evolving framework.
The future of the petroleum industry lies in efficiency, cleanliness, and low carbon. We must find a balance between traditional and new energy sources.
在一个快速变化的世界中，学习和适应的能力是最终的竞争优势。
It is a terrible thing for a man to find out suddenly that all his life he has been speaking nothing but the truth.
解释：好像白色的丝一样，放到蓝色的染缸中，就成为青色；放到红色的染缸中，就成为赤色。