文件保险箱，是一款即时通讯数据安全保护软件。
作为安全存储的应用，文中分析了“文件保险箱”和“文件安全删除工具”的设计思路，并介绍了其实现方法。
As the application this paper analysed the mentality of designing about the "file safe" and "the tool for file deletion", and introduced their implementation methods.
我们把文件装入防火的保险箱。
您也最好把贵重的东西，像珠宝和私人文件，放在宾馆的保险箱里。
And you might as well put your valuable things such as jewelry and personal papers in the hotel's safety deposit box.
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