Non-tariff barrier
A: Professor Wang, what is non-tariff barrier?
B: Non-tariff barrier is another mean to restrict imports.
A: Can you give me an example?
B: For example, some countries restrict imports by quantitative restriction.
A: Why?
B: This is used to protect local industries, or to achieve certain political objectives.
A: Oh! Are there other means?
B: Technical barriers are set for imported goods.
A: This is designed to exclude them from domestic market, isn't it?
B: Yes. Some countries may use some of the unncessary health rules to exclude foreign food.
“exclude...from...”是“把……排除在外”的意思。例如:We can not exclude the children of migrant workers from the classroom. 我们不能把农民工的孩子排除在教室之外。