Prime cost
[化] 直接成本; 主要成本
📖 牛津释义
prime cost
basic cost of producing or manufacturingsth (ie the cost of materials and labour) not including such additional items as rent and insurance for premises 主要成本（生产或制造所需的基本费用, 包括材料费和劳务费, 而不包括附加费用如场地的租金和保险金）.
🧩 词语组成解析
prime
[praɪm]
adj. 最好的;首要的;最初的;基本的;
n. 精华;初期;全盛时期;青年;
vt. 使准备好;填装;事先指导;
adv. 极好地;
vi. （为枪炮）装火药;涂底漆;修剪树枝;注水入泵引起;
prim第一，主要的+e → 最初的，基本的
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
I really appreciate you coming over to help me with my math.
我真的很感谢你过来帮我补习数学。
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
That was quick! she said. Have you finished already?
“你真快！”她说，“你已经买完东西了吗？”