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 most valuable asset of any company is its people.
未来最成功的社会将是那些能够结合国家和市场优势的社会。
We must act now, because the ocean’s decline is a crisis we cannot ignore.
Agricultural modernization is not about abandoning tradition but about revitalizing tradition through innovation.