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.

你可以表达你对是否重要保留城市中的老建筑的看法。你可以提到文化价值、历史或城市特色等原因。你也可以谈谈一些挑战，比如维护成本或新开发的需求。