Physical variance
[经] 效率差异, 实际差异
🧩 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
You're ahead.
你领先呢。
There's something wrong with the phone.
电话出了点儿毛病。
Your wife would not be pleased to hear you say that.
你的妻子听到你那么说是会不高兴的。