我从来都不是天生的，我所做的只是不断尝试。
穷人不仅仅是消极的受害者；他们是试图在艰难世界中航行的积极行动者。
Every challenge in farming is an opportunity to grow - literally and figuratively.
学习就像种树，春天赏花，秋天收获果实；讨论文章如同春天的花，修养身心、付诸实践才是秋天的果实。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.