This question asks whether every area needs a public park and requests an explanation. When answering, you can consider the role of parks, their impact on residents' quality of life, and the need for urban planning. You can discuss the effects of parks on community environment, residents' health, and social activities from both necessary and unnecessary perspectives.

这个问题询问是否每个区域都需要公共公园，并要求解释原因。回答时可以考虑公园的作用、对居民生活质量的影响，以及城市规划的需要。可以从必要性和非必要性两个角度出发，分别讨论公园对社区环境、居民健康和社交活动的影响。