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 you can listen to him over the phone.
而且你可以在电话中听到他的声音。
While the dog gnaws bone,companions would be none.
狗啃骨头无同伴。
and reduces correspondingly the amount of economic resources that could be used for developing the country.
从而相应地减少了那部分可以用来发展国家的经济资源。