所有食品必须用保鲜膜(或大小适当的盖子)封好保存，由制作者或最初使用者制作标签、标明日期。

All food items must be covered with cling film (or proper lid), dated, labeled and initialed by person who made it or used it first.

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也可将文件搜索属性设置为指定文件的位置或版本、大小和日期这样的特性。

You can also set file search properties to specify the location of the file, or attributes such as version, size, and date.

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