Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.

Marine conservation is not a constraint on business—it's the foundation of lasting business.

人工智能中最令人兴奋的发展正在多个学科的交叉点上发生。

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.