求翻译：为了保护国内生产和国内市场，削弱进口商品的竞争能力，按国内价格与进口价格之间的差额征收关税，就叫差价税。是什么意思？

In order to protect domestic production and domestic market, weakening the competitiveness of imported goods, domestic prices and import prices by the difference between the tariffs, the difference is called tax.

正在翻译，请等待...

In order to protect the home production and the domestic market, weakens the article of importation competitive ability, according to between the domestic price and the import price differential collection customs duty, is called the price difference tax.

In order to protect domestic production and domestic market, weakened competitiveness of imports, according to the difference between domestic and imported prices imposed duties, is called variable duties.

In order to protect domestic production and domestic market, the competitive power to weaken import goods, tariff according to the difference at the domestic price, call the variable levy.