Material cost variance
[经] 材料成本差异
🧩 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;
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
Don't you know it!
你说得没错。
Teacher. He is teaching.
老师。正在教书。
One would expect them to know their parts by heart and never have cause to falter.
人们以为，这些演员一定会把台词背得烂熟，绝不会临场结巴的，