求翻译：兹证明黄晓莺，（出生日期：1992年11月6日，护照号E01365552），是我学校商学院数理经济与金融实验班一年级学生，我们允许她在2012年7月20日至31日期间去欧洲旅游，费用由其母亲宋璇萍来承担，在其回国后保留他的学籍，并保证其按时回国。是什么意思？

Hereby proved Huang Xiaoying, (birth date: November 6, 1992, passport number e01365552), is my school Manufacturers Institute of Mathematical economic and financial experimental class first grade students, we allow her go in the period from July 20, 2012 to 31 European travel, the cost of her mother

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I hereby certify that Huang Xiaoying, (date of birth: November 6, 1992, the passport number E01365552), mathematical economics and finance school is my school experimental first year students, we allow her to travel to Europe during a July 20, 2012, the costs borne by the mother Song Xuan ping, afte

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