Cost constraint
[计] 成本约束
🧩 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
Mrs. Greenberg is on the phone.
Greenberg太太打电话来。
He who does not advance falls backward.
不进则退。
I was thinking about Thursday?
我看星期四怎样？