The product owner is responsible for the product backlog, a prioritized set of user stories that need to be implemented in the product.

产品所有者负责实现产品计划安排，这是一组高优先级的用户描述，需要在产品中加以实现。

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Backlog: a backlog is a set of prioritized tasks to be completed in a fixed timeframe.

待办事项：代码实现是一组要在固定时间范围内完成的优先任务。

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Decide on a set of attributes that will be useful when ordering the backlog items.

选定一组属性，用来对待办事项进行排序。还要有对成本的评估标准，判断属性的分数高低。

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Ever since they were set up by the federal government in 2001 to help tackle the case backlog, more than 1, 000 fast track courts have disposed of more than three million cases.

BBC: Do India's 'fast track' courts work?