留在欧盟关税联盟中将让英国的地位大大强于（比如）土耳其，尽管土耳其已经完成了与欧盟建立关税联盟的谈判，但它并不是欧盟关税区真正的一部分。
Remaining in the EU’s customs union would leave the UK in a much stronger position than, say, Turkey, which, despite having concluded an agreement to create a customs union with the EU, is not actually part of the bloc’s customs territory.