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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.
The next green revolution won't come from a lab alone—it will come from farmers' fields around the world.
Technology itself is neither good nor bad, it depends on how you use it.
当你不再试图理解这个世界时,它几乎就是和平的。