nominally       
adverb uk/ˈnɒm.ɪ.nəl.i/ us/ˈnɑː.mə.nəl.i/
 名义上地;有名无实地
in name or thought but not in fact, or not as things really are
  The province is nominally independent. 该省在名义上是独立的。 
 While nominally a film student, Barnett had no aspirations of a career behind the camera.
 - More examples
 - Although 75 per cent of Swedes are nominally members of the church, only 2 per cent attend regularly.
 - She is nominally the group's guitarist, though she only learnt the instrument last February.
 - In a nominally Christian country, the sanctity of human life has been brutally compromised.
 
See: nominal