You do not have control over it but it helps you in saving tax.
你无法控制它，但它可以帮助你节省税款。
The power conversion rate is over 85%, so it is obvious in energy saving.
功率转换率达85%以上，有明显的节能效果。
The reformation effect is notable and the rate of power saving is over 35%.
改造后二次循环水泵的节电效率高达35%，节能效果十分显著。
The new computer system was an improvement over the old rinky-dink way of saving information.
新的计算机系统和陈旧的信息储存方式相比是一大改进。
The new computer system was an improvement over the old rinky-dink way of saving information.
新的计算机系统和陈旧的信息储存方式相比是一大改进。
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