The best management is a true science, resting upon clearly defined laws, rules, and principles.
最好的管理是一门真正的科学,建立在明确的法律、规则和原则之上。
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
幽默是儿童书籍中的强大工具;它可以让严肃的话题变得易于接受。