You cannot step into the same river twice.
你不能两次踏入同一条河流。
"The beauty of science lies in its ability to explain the unexplainable."
The bond market is the most important market in the world.
能源的未来在于平衡传统资源和可再生发展。
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。