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
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
I think it's going to snow all day.
我认为整天将会下雪。
Goodbye.
再见。