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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.
The strength of the pack is the wolf, and the strength of the wolf is the pack.
瀑布歌唱著:「虽然渴者只需少许水便足够,我却乐意给与我的全部。」
The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.