海报、公告栏或是其他任何悬挂在墙上的东西都是学校的财产，未经许可是不可以涂写或者拆除的。

Posters, bulletin boards, or any other thing hanging on the wall is considered property of the school and shouldn't be written on or removed without permission.

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千万不要把姓名、家庭住址、学校名称或电话号码等与自己身份有关的信息在公开信件中提供给闲聊室和公告栏等。

Never give out our identifying information such as name, home address, school name, or telephone number in a public message such as at a chat room or on bulletin boards.

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