Elements of cost
[经] 成本要素
🧩 词语组成解析
n. 原理, 基础
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
He is in conference right now.
他现在在开会。
As the old cock crows, so doth the young.
有其父必有其子。
It went direct from my local station and the journey lasted mere hour and seventeen minutes.
这是趟直达车，旅途总共才需1小时17分钟。