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
Lots of people are tired of higher taxes.
许多人对于增税很厌烦。
He that fears death lives not.
怕死者活不了。
Jack was an excellent tennis player. He was able to beat anybody.
竭克是个网球健将。他天下无敌。