里氏替换原则是面向对象编程中的一个基本概念,确保派生类可以替代其基类使用,而不会改变程序的正确性。
The function of art is to make us see things, not to make us agree with the artist.
看见就是忘记所见之物的名字。
Transparency builds trust, and trust is the foundation of every strong business relationship.