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尚美阳光 “讲文明树新风”公益广告 文明校园你我共建 文明城市全民共享 山东省济南第十五中学 Shangmei Sunshine Public Service Announcement (PSA): Following the rules of good behaviour and setting a new social trend Building a civilized campus A Civilized City for All The Fifteenth Middle School of Jinan, Shandong Province
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2023-11-23
