Passport upgrade, visa-free for Pakistan Railway. How can we play the whole article of Batie well?

1. Passport is the proof that you are from China, and you need it when you go abroad.

2. Visa refers to the endorsement and seal of passports or other travel documents held by citizens or foreign citizens by the sovereign organs of a country to show the procedures for allowing them to enter, exit or transit. It can also be said that it is an endorsement certificate issued to them.

3. Visa-free means that you can stay from one country or region to another for 7 days to 6 months without applying for a visa. Visa exemption is usually bilateral, and both parties can freely enter and leave each other's territory with valid passports.

4. Relationship between passport and visa: Passport is like a bank passbook, and visa is like a deposit. You must have money in your passbook before you can get a visa to go abroad. If you don't, you can get a visa first.

Passports can be reused and can be used for endorsements in different countries. Generally speaking, visas are only issued to specific countries.

Visa exemption is to adapt to the continuous development of international relations and tourism in various countries and facilitate the friendly exchanges between citizens of various countries. Therefore, visa-free communication can be achieved by simplifying the national visa system. Citizens of other countries do not need to apply for visas when entering or leaving the country. This is because many countries have concluded visa-free agreements, so visa-free is jointly agreed and implemented by the two countries. Even between European countries, citizens of a country can travel freely between countries with their ID cards without passports and visas.