Constant cost lines
[经] 等成本线
🧩 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;
lines
[[lainz]]
n. 台词
🗣️ 情景例句
That's the way.
就这样。
I'll treat you to dinner.
我想请你吃饭。
Suddenly, I saw the Officer's face light up.
突然，我看到官员脸上露出了得意的神色。