Why does no agreement to leave the EU cause concern？ British media listed four negative effects.

　　BEIJING, August 7 (Xinhua) According to the BBC, since Johnson succeeded theresa may as British Prime Minister, whether he can leave the EU smoothly on October 31 has become a topic of concern in British politics and media.

　　British political circles and people are now in a state of "tearing" on the issue of Brexit. The anti-Brexit side believes that leaving without agreement will lead to economic disaster, and may even lead to the separation of Northern Ireland from Britain and the recurrence of violence due to the restoration of the border. Those who support Brexit retort that any temporary chaos and difficulties will soon pass, and Brexit will have limited impact on Britain, an economy dominated by domestic consumption and services.

　　Brexit without agreement refers to Britain’s unilateral departure from the EU without reaching any "divorce agreement". It is reported that the four major issues that people are generally worried about after leaving the EU without agreement are: the trade relationship between Britain and Europe, the border between Northern Ireland, the "divorce bill" and the treatment of bilateral permanent citizens.

　　Trade relations between Britain and Europe are affected.

　　In the absence of an agreement to leave the EU, Britain has no time to reach a trade agreement with the EU.

　　Most experts believe that once there is no agreement to leave the EU, the trade relationship between Britain and the EU will revert to the basic terms of the World Trade Organization (WTO).

　　This means that there may be tariffs between Britain and EU countries before there is no trade agreement, the sea, land and air borders between Britain and EU countries will be re-marked, and goods and services exported by Britain may not be able to enter the EU unified market.

　　Although the British government has indicated that it will not impose tariffs on goods and services from EU countries, the EU has not made the same commitment so far.

　　Northern Ireland border "barrier" reappears

　　For the British government, the biggest headache is probably not the trade relationship with the European Union, but the Northern Ireland border issue that concerns national reunification. Some nationalists in Northern Ireland and Ireland have said that once the border is restored, it is likely to trigger a new round of violent conflicts, which will cause the peace process in Northern Ireland to suffer heavy losses.

　　Data Map: A large-scale demonstration was held in central London, calling for a "second referendum on Brexit". China News Service reporter Zhang Pingshe

　　The British and Irish governments have so far expressed their reluctance to see the actual border in Northern Ireland.

　　Those who support no-agreement Brexit believe that the "invisible" border can be completely realized through modern scientific and technological means. On the other hand, the EU insists that it is necessary to strengthen border control in restricting goods and dangerous chemicals after Brexit.

　　Anglo-European "divorce bill"

　　Those who support no agreement to leave the EU believe that if there is no agreement to leave the EU due to the EU’s non-cooperation, then Britain has every reason not to pay the 39 billion "divorce bill" previously agreed by the government with the EU.

　　However, opponents point out that refusing to implement international commitments will discredit Britain, and may cause lawsuits between Britain and the European Union to reach international arbitration courts, which will damage bilateral relations for a long time.

　　Even if there are no legal problems, the relationship between Britain and the EU will be affected for a long time.

　　Impact on British and European citizens

　　For the citizens of Britain and EU countries, the impact of Brexit without agreement will be very direct.

　　First of all, bilateral travel will resume additional border checks.

　　Secondly, both EU citizens living in the UK and Britons living in EU countries may need to reapply for formal permanent resident status.

　　In addition, everything from cross-border medical insurance to mobile roaming charges is likely to be affected. At present, in the European Union, citizens of all member States enjoy free medical care and mobile roaming service at the same level as domestic charges.