Stamp Duty An ad-valorem or flat rate charged upon certain documents.

对一些文件按其价值收取的收费。

A compound tariff is a combination of a specific and an AD valorem tariff.

复合关税是从价税与从量税两种关税相结合所征收的关税。

Ad valorem tariffs are levied as a proportion of the value of the imported good.

从价税是按进口商品一定价值比例征收的。

An AD valorem tax is a tax based on the value of real estate or personal property.

从价税是税收的基础上的价值，房地产或个人财产。

As for valuable goods shipped by sea, the shipping company will charge an AD valorem rate.

如ꛥ果货物价值较高，运输公司则收取从价运费。