Complex sentence: ROC nationals who do not hold household registration in Taiwan have no automatic right to stay in Taiwan, nor do they have work rights, voting rights, etc. In a similar fashion, some British passport holders do not have the right of abode in the UK.
Split into simpler sentences: ROC nationals who do not hold household registration in Taiwan have no automatic right to stay in Taiwan. Similarly, some British passport holders do not have the right of abode in the UK.