Answer:
move up the career ladder
Explanation:
A career is a series of jobs that are related, whose foundation is based on interest, knowledge, training and experience. Moving up the career ladder means that one has continuously been growing in experience by moving from series of related jobs with fewer responsibilities to the one with more responsibilities within a specific profession.
Moving up the the career ladder also involve continuous advancement in education related to one's profession with a view to gaining more knowledge that would be applied to the chosen job hence above is an example of moving up the career ladder.
