ad valorem goods的用法和样例：
- Ad valorem duty or ad valorem tax.
- In that country,an ad valorem duty of five percent was imposed on all goods on importation.
- Ad valorem duties are levied on the basis of the product's value. It means that ad valorem duties are collected according to the value of the goods.
- A compound tariff is a combination of a specific and an ad valorem tariff.