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
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
I ask him to tell me the details about everything.
我要求他告诉我每件事的细节。
I had one after my lunch.
我是在饭后喝的。