This issue discusses in what situations people need to keep quiet. When answering, consider various public and private situations where quietness is required out of respect, safety, or legal obligations. This can include educational settings, religious places, healthcare institutions, libraries, courts, etc.

这个问题探讨在什么场合人们需要保持安静。回答时可以考虑各种公共和私人场合，其中保持安静是出于尊重、安全或法律的要求。可以包括教育环境、宗教场所、医疗机构、图书馆、法庭等。