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
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
It seems he has a lot of bright ideas.
看起来他好像有很多聪明意见。
What a good idea! said Ann. Not everyone likes sandwiches. What about my birthday cake?
“多好的主意！”安说，“不是每个人都喜欢三明治的。我的生日蛋糕准备好了吗？”