自从我们学校搞创建和谐校园活动以来的翻译：Since its creating harmonious campus activities in our school 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Since its creating harmonious campus activities in our school

Has done the foundation harmonious campus activity since our school

Since our school since we create harmonious campus activities

Since its creating harmonious campus activities in our school