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
Sorry, Marilyn.
对不起 ，Marilyn 。
As soon goes the young lamb's skin to the market as the old ewe's.
老羊皮上了市，小羊皮也跟着来。
French test are awful, aren't they?
法语太可怕了，你说呢？