Every film is a journey, and you never know where it will take you.

乳制品行业不仅仅是生产牛奶；它关乎维持社区和滋养后代。

我从不担心行动的危险，我更担心不行动的危险。

我不是商人，我就是生意本身。

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.