1. You can answer by discussing the diversity of age groups living in the city. 2. You can mention factors that contribute to this diversity, such as educational institutions, job opportunities, or retirement communities.

1. 你可以通過討論生活在城市中的年齡群體的多樣性來回答。 2. 你可以提到促成這種多樣性的因素，例如教育機構、工作機會或退休社區。