double line tariff

例句：

1. 1. Thegovernment is considering implementing a double line tariff to reduce imports.
   政府正在考虑实施双重税制以减少进口。
2. 2. Thecompany has decided to adopt a double linetariff to protect its intellectual property rights.
   该公司决定采用双重税制来保护其知识产权。
3. 3. The double line tariff hasbeen implemented in the region, which hassignificantly reduced the flow of goods.
   该地区已经实施了双重税制，这显著减少了货物的流动。