我们不能仅仅按照过去的方式做事；进步需要改变。
We can't just do things the way they've always been done; progress demands change.
As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
历史是由幸存者书写的。
"I never set out to create a classic. I just wanted to tell a story."
