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
I wish I could beat this summer heat.
我真受不了夏日的酷暑。
You'll have your own office soon but for the time being you'll have to share one.
你很快就有自己的办公室了，不过暂时还得和别人合用一间。
Your bid is much higher than your competitor's.
你们的价钱比起其他公司高出太多了。