For the erection of tariff walls has the same effect as the erection of real walls .

设立 关税 壁垒的效果，跟 筑墙挡 道没有两样。

The government decided to raise tariff walls against foreign goods .

政府决定提高 关税 壁垒以抵制外国货。

In contrast American ethanol produces only 1.5 units of energy output per unit of input but its inefficiency is underwritten by government subsidies and high tariff walls .

相反，美国的乙醇生产工艺只能用一单元投入产出1.5单元能源，但尽管效率低下，却受着政府补贴和高 关税 壁垒 的 保护。

International Customs Valuation System and the curtailing of non-tariff barriers ; raise tariff walls against foreign goods

国际海关估价制度与削减非关税壁垒建立 关税 壁垒以抵制舶来品