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
He came down with the flu, so he didn't go to work.
他感冒了，所以没去上班。
This telephone line is interrupted.
这个电话不通。
We only hope we won't have this kind of problem again.
我们仅希望不会再有这样的事情发生。