图书馆是人们获取知识信息的公共场所，它的安全也应该引起我们的重视。
A library is a public place that people get knowledge and information, so its safety must be paid much attention to.
近十几年来，公共场所的安全形势越来越严峻。
Over the past decade the security situation has become ever more complicated.
近十几年来，公共场所的安全形势越来越严峻。
Over the past decade the security situation has become ever more complicated.
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