1.When answering this question, you can discuss various measures that cities can implement to ensure the safety and cleanliness of public parks. This could include regular maintenance and cleaning schedules, the presence of security personnel, and the installation of surveillance cameras to monitor activities. 2.You can also talk about community involvement, such as encouraging local residents to participate in park clean-up events and report any suspicious activities. Additionally, you might mention the importance of having clear rules and regulations, as well as adequate facilities like trash bins and restrooms to maintain cleanliness.

1. 在回答这个问题时，您可以讨论城市可以实施的各种措施，以确保公共公园的安全和清洁。这可以包括定期的维护和清洁计划、安全人员的存在，以及安装监控摄像头以监控活动。 2. 您还可以谈论社区参与，例如鼓励当地居民参与公园清理活动和报告任何可疑活动。此外，您可能会提到制定明确的规则和规定的重要性，以及提供足够的设施，如垃圾箱和厕所，以保持清洁。