Variance of cost
[经] 成本差异
🧩 词语组成解析
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
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;
🗣️ 情景例句
and I have interviews with twenty-six applicants.
而要面谈的申请人有二十六位。
Skill and confidence are an unconquered army.
技能和信心是不可克服的军队。
With the medicine box under her arm, Miss Zhao hurried off to look after the man.
夹起药箱，赵小姐匆忙去照料那个人。