Demand function
[计] 需求函数
🧩 词语组成解析
demand
[di'mɑ:nd]
vt. 要求，请求;需要;[法]召唤;询问，盘问;
n. 需求;需要;要求，请求;销路;
vi. 需要;请求;查问;
🗣️ 情景例句
He was ill at ease at her birthday party.
他在她的生日宴聚会中心神不宁。
Look who's talking!
怎么不说你自己？
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。