当这个过程最后为一项任务达成了一个满意的解决方案时，搜索引擎和为用户提供信息及结果的网站就为用户提供了一次极佳的用户检验。
When this process results in the satisfactory completion of a task, a positive experience is created for the user, the search engine, and the site providing the information or result.
当这个过程最后为一项任务达成了一个满意的解决方案时，搜索引擎和为用户提供信息及结果的网站就为用户提供了一次极佳的用户检验。
When this process results in the satisfactory completion of a task, a positive experience is created for the user, the search engine, and the site providing the information or result.
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