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
I'm trying to catch Mary, please.
我想与Mary联络。
Apothecaries would not sugar their pills unless they were bitter.
好药不苦不会加糖衣。
Winter lasts from November to January and is very cold.
冬天11月持续到到1月，