Book cost
[经] 帐面成本
🧩 词语组成解析
book
[bʊk]
n. 书;卷;课本;账簿;
vt.& vi. 预订;
vt. 登记;（向旅馆、饭店、戏院等）预约;立案（控告某人）;订立演出契约;
adj. 书的;账簿上的;得之（或来自）书本的;按照（或依据）书本的;
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;
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
Eating is my favorite hobby.
吃是我最大的嗜好。
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。