✔ 最佳答案
If you have a passport issued to you from the EU, you can stay at UK without limitation. However, to obtain permanent residency (Indifinite to Leave) and citizenship, you must have lived in UK for 5 years and then you will be eligible for citizenship.
You will have acquired a right of permanent residence if you have completed 5 years residence in the United Kingdom during which time you have either been in employment, self-employment, been a student, or been economically self-sufficient
http://www.ind.homeoffice.gov.uk/applying/eeaeunationals
2006-11-13 03:38:16 補充:
By the definition of 'Naturalization', you'll become a British Citizen, or some would like to call that 一等公民.