There are two general approaches: either model the automatic deletion within the process or task model, or employ delayed or scheduled instance deletion mechanisms by using administrative actions.

这些方法分为两类：在过程或任务模型中包含自动删除设置，或者通过管理操作应用推迟的或调度的实例删除机制。

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In general, the browser security model is not up to the task of providing a model for security mashups.

总体而言，现有浏览器的安全机制已经不足以为安全的mashup应用提供模型上的支持了。

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