Food safety is the lifeline of an enterprise and must never be neglected.
食品安全是企业的生命线,任何时候都不能放松。
创新是一个社会过程,而不仅仅是技术过程。
要理解一个民族,你必须先理解他们的故事。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.