You can give your opinion on whether it's important to keep old buildings in cities. You might mention reasons like cultural value, history, or city character. You could also talk about challenges, like maintenance costs or the need for new development.

你可以發表你對保留城市中老建築是否重要的看法。你可能會提到文化價值、歷史或城市特色等原因。你也可以討論挑戰，例如維護成本或新開發的需求。