梅在6月提前举行的大选的重大决定让她的反对派有机会要求英国去谈判一个类似于挪威作为欧洲经济区（EEA）成员的过渡性安排。
May’s fateful decision to hold an early election in June has allowed her opponents to demand that the UK negotiate a transitional arrangement similar to what Norway has as a member of the European Economic Area.