efficiency例句
The spa is the last word in luxury and
efficiency.
这家矿泉疗养浴场极尽奢华，功效极高。
Revenues from "green taxes" could then be channelled back into energy
efficiency.
从“绿色税收”得来的收入便可回过头来用于提高能效。
It doesn't take much to improve the energy
efficiency of your home.
改善家庭能耗并非难事。