Economy of energy
[经] 能源节约, 能源经济
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I'm not so keen on red sports cars.
我并不热衷红色跑车。
By the side of sickness health becomes sweet.
和疾病相比较，才显得健康的可贵。
Would you please read the draft contract and make your comments about the terms?
请仔细阅读合同草案，并就合同各条款提出你的看法好吗？）