Next, you need to specify a category where the activity will reside.

接下来，您需要指定活动将驻留的类别。

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If you're not certain of your users' work habits, choose this category of user activity.

如果您不确定用户的工作习惯，那么可以选择这种用户活动。

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The life cycle category is particularly important; it is used to check the completion status of an activity before the application or component moves to the next activity or repeats itself.

生命周期这一类特别重要；它被用于在应用程序或组件转移到下一个活动或重复当前活动之前检查活动的完成情况。

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The category of cyber crime includes fraudulent online shopping activity, computer software service fraud, computer misuse crime, offences linked to computer viruses and spyware and computer hacking.

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Efficient Frontier also tracked a sharp increase in activity and spending on ads in Facebook, which it counts as a category separate from either search or display advertising.

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The Internet Activity Index (IAI) at the Online Publishers Association site has historically monitored category shifts in traffic month to month.

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