Labour efficiency variance
[经] 人工效率差异
🧩 词语组成解析
labour
['leibə]
n. 劳动;劳工;分娩，临产阵痛;工作，活计;
vi. 劳动，努力;艰难行进;分娩，产前阵痛;使疲倦;
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
It doesn't take long for most pop icons to become yesterday's news.
大多数偶像明星很快就会成为昨日黄花。
What would you like to eat?
你想吃什么？
The lake was not a natural one, but a man-made reservoir.
这不是一个天然湖泊，是一座人工修建的水库。