NP完全性的概念为理解问题的复杂性提供了一个强大的工具。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
The future of coal depends on our ability to innovate and reduce its environmental impact.
"The only way to make sense out of change is to plunge into it, move with it, and join the dance."
我认为做自己很重要，不要试图成为别人。
The gallery space is just as important as the work it contains.
The process of making a film is more important than the final product.