self-advancement       
noun [ U ]  often disapproving (also selfadvancement) uk/ˌself.ədˈvɑːns.mənt/ us/ˌself.ədˈvæns.mənt/
 自我提升
the development or improvement of your own situation, education, position, etc.
  What made him tick, beyond the ceaseless drive to self-advancement?
 The women meet weekly to support each other’s efforts at economic self-advancement. 这些妇女每周见面,相互支持,努力实现经济上的自我提升。 
  - More examples
 - He will be remembered not for his performances on the field but for relentless self-advancement off it.
 - We did not enter politics for profit or for self-advancement.
 - They are simply more motivated by self-advancement than by bettering the lot of society as a whole.