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
You're the only one I can trun to.
你是我唯一能依赖的人。
Bye!
再见啦！
It is now being sent to his home by train.
现在正用火车给他运回家来。