求翻译：我们是为学校免费制作多媒体毕业纪念册的专业团队，具备多年经验，已与上海、北京多所学校合作，为毕业班级老师和同学们留下最珍贵和生动的记忆。是什么意思？

We are free of charge for the school produced a multimedia yearbook professional team with many years of experience and cooperation with Shanghai, Beijing and many schools, teachers and classmates of the graduating class to leave the most precious and vivid memory.

正在翻译，请等待...

We are for the school free manufacture multimedia graduation memento book specialized team, has many year experiences, already with Shanghai, the Beijing many school cooperation, leaves behind most precious and the vivid memory for graduation class and grade teachers and schoolmates.

We are professional team with free multimedia for school graduation album, with years of experience, cooperation with Shanghai, Beijing schools, graduated as class teachers and students have been most valuable, and vivid memories.