Material quantity variance
[经] 材料数量差异
🧩 词语组成解析
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
My, what a downpour! And there doesn't seem to be any sign of its stopping.
哎呀，好大的雨呀！没有一点像要停的样子。
Would you mind if I took a day off?
我请一天假可以吗？
This box is big.
这是个大盒子。