Efficiency variance
[经] 效率差异
🧩 词语组成解析
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
I'm starving to death.
我饿得快要死了！
Modesty is the ornament of woman.
端庄可为妇女增添光彩。
everybody,that is, except his six-year-old daughter, Jenny.
就是说，除他6岁的女儿珍妮之外的每一个人。