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The only true wisdom is in knowing you know nothing.
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.
汽车的未来是绿色、智能、人性化的。
提供上下文,而非控制。
你不能只是坐在那里等待别人给你那个金色的梦想。你必须走出去,为自己实现它。