Specification cost
[经] 规定成本
🧩 词语组成解析
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
Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好，他愿出诊，但他在下午2点后才有空。
I only wear a tie on special occasions.
我只有在特殊场合才带。
Don't try to get up. You shouldn't get up if you're badly hurt.
别起来。受了重伤，你不该起来的。