Is the charge simply usage-based (" pay per click "), or does the charge have to consider the quality of service achieved (for example, response time)?
收费是基于使用情况(“单击一次收费一次”),还是必须考虑服务所达到的质量(例如,响应时间)?
Is the charge simply usage-based (" pay per click "), or does the charge have to consider the quality of service achieved (for example, response time)?
收费是基于使用情况(“单击一次收费一次”),还是必须考虑服务所达到的质量(例如,响应时间)?
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