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
Good. Can we sign them right away?
好的。我们现在可以签合同了吗？
I got my hair cut.
我剪了头发。
That's why we were getting anxious about you.
所以我们才为你们担心。