生产装置的有效生产时间可达50天以上。
The effective production time of the production device can be up to over 50 days.
微型燃料电池可以维持供能相当长的时间（在手机中可以30 天不充电）但是目前人们还没有找出如何有效生产燃料电池的方法。
Miniature fuel cells can last a helluva long time (30 days without recharging on a phone) but no one has quite figured out how to effectively build 'em.
又或者根本员工在工作时间就是缺乏生产力因为他们缺乏有效完成工作所需的工具？
Or, are employees simply unproductive at work because they lack the tools needed to efficiently get the job done?
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