最优雅的证明是那些清晰地揭示问题本质的证明。
The most elegant proofs are those that reveal the heart of the problem with clarity.
Success is not about the awards or the recognition. It's about the journey and the growth.
Investing in cleaner coal technologies is an investment in our future.
找到自己的最好方法就是在为他人服务中迷失自己。
我们加工的每一桶油都必须承载我们的环境责任。