英语翻译

英语翻译
帮忙翻译以下课文:
Customs :
Taxes on articles or merchandise brought into a country.
The tax itself is called a duty.Most arriving international passengers must make a customs declaration and have their baggage inspected.Many international airports have shops where duty-free merchandise may be bought.
Currency:
Money-- that is,money in actual use,which would include bills,coins,and (usually)travelers checks,but not personal checks,letters of credit,and so on.Many countries control the amount of currency that can be brought in or taken out of the contry.
Visa:
An endorsement that has been made in a passport by some country other than the one that cissued the passport.In effect,the visa gives permission to enter the country which has issued it .Visas are issued for different purposes,usually tourist,transit,business,students immigrant,and diplomatic.They are not necessary for all countries or for all purposes; ataherefor,an international passenger must be advised whether a visa is required for his particular trip.