Constant profit lines
[经] 等利润线
🧩 词语组成解析
lines
[[lainz]]
n. 台词
🗣️ 情景例句
It's a beautiful day.
今天天气真好。
What's your wholesale price on this item?
这种产品你们的批发价是多少呢？
We're going out to the Summer Palace.
我们打算去颐和园看看。