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
Why not start again and use the right tools for the job?
为什么不重新开始，试试用合适的工具来做呢？
I would like to call an eletrician to come this afternoon.
我要叫一个电器师傅今天下午来。
In that case, we can offer you a discount.
这样的话，可以给你折扣。