Obligation sale
[经] 销售义务, 销售契约(合同)
🧩 词语组成解析
sale
[seil]
n. 卖，出卖;销售额，销售;销路;拍卖;
🗣️ 情景例句
What I'm trying to say ...
我想说……
He has a cup.
他有一只杯子。
We also want to teach all the children to perform.
我们还想教会所有的儿童演奏。