什么是关税？为什么要征收关税

今天的这段对话，在讨论关税，
 
什么是关税？为什么要征收关税
 
来听今天的讲解:
 
A:Professor wang can I ask a few questions?
 
王教授，可以请教您几个问题吗？
 
B:Certainly.
 
当然可以。
 
A:What is the tariff?
 
什么是关税？
 
B:It's a tax levy by the goveroverment on goods imported into that country.
 
关税是由政府对进口商品征收的一种税收。
 
A:Why does the goverment levy the tariff？
 
为什么要征收关税呢?
 
B:Tariff provides the goverment with extra tax revenue.
 
关税给政府提供了额外的收入。
 
A:Anything else.
 
还有呢?
 
B:Tariff raises the price at which the goods are sold in the importing country and therefore makes them less competitive with locally produced goods.
 
关税提高了进口商品在国内销售的价格，因此使得它们没有当地生产的商品具有竞争力。
 
A:Oh,I know. Thank you. Professor wang.
 
哦，我知道了。谢谢您，王教授。
 
B:Do not mention it.
 
不用客气。