它通过分类和索引来存储和组织食谱。

It stores recipes and organizes them by category and index.

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你能够通过分类、排序的活动、玩数字和逻辑游戏以及解各种各样智力游戏来练习它。

You can exercise it through classifying and sequencing activities, playing number and logic games, and solving various kinds of puzzles.

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垃圾分类就是在源头将垃圾分类投放，并通过分类的清运和回收使之重新变成资源。

The classification means putting garbage into different trash cans so that they can become new resources through different ways of cleaning, shipping and recycling.

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And during that time, a new kind of structure arose called news groups that is where computers on the net will be used to collect e-mails and keep them, so that other people might view a conversation conducted an e-mail, and this will be categorized by topics.

在那段时间里，一种新结构出现了,叫做“新群体“，它是连网的电脑用来,收集和保存电子邮件的地方，以便于,其他人可以查阅通过电子邮件进行的会话,它会以话题进行分类。

麻省理工公开课 - 媒体、教育、市场课程节选