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.
思想的任务不是再现现实，而是回应存在的召唤。
能源行业不仅仅是开采资源；它是为生活提供动力并推动进步。
韧性不是关于避免失败；而是关于学习如何反弹。