光芒从一个山脊传到另一个山脊。
Mathematics is a living subject, constantly evolving with new ideas and discoveries.
我的作品是我对世界的观察。
Collaboration across sectors is key to solving environmental challenges.
成为你希望看到的改变。
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.