To my mind, I think we need to arrange part of civil servants to work on Saturday according to actual situations, which can save resources and meantime test their work efficiency.
我认为，应该有选择根据实际情况安排部分人员周六上班，即节省资源，也能检验工作效率。
2
However, power efficiency tuning has its limits based on the actual hardware (more on this in Part 2 of this series).
但是，根据实际硬件的不同，电源效率调优存在一些限制(详见本系列的第2部分)。
3
Actual problems, as they present themselves to the decision-maker, are always concerned with relative efficiencies, and no measure of absolute efficiency is needed.