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. 當回答這個問題時，您可以討論城市可以實施的各種措施，以確保公共公園的安全和清潔。這可能包括定期的維護和清潔時間表，保安人員的存在，以及安裝監控攝像頭以監控活動。 2. 您還可以談論社區參與，例如鼓勵當地居民參加公園清理活動並報告任何可疑活動。此外，您可能會提到制定明確的規則和法規的重要性，還有像垃圾桶和洗手間等足夠設施以維持清潔。