a sale of discontinued china的用法和样例：
- Our bicycles have reached a sale of 5000 pieces a month.
- A homestead cannot be the subject of a sale by court order to satisfy creditor.
- Starting as a grocer, he branched out into the sale of footwear.
- Let's make up a contract for the sale of know-how, shall we?
- There will be a sale of impounds by the police department next week.