"To choose another profession" means deciding to pursue a different job or career instead of the one you currently have or had in mind. Full definition
The reasons one may have for choosing this profession are not always known to the students who just want to get their license. (accrediteddrivingschool.com)
Besides, many people choose this profession because they want to earn money by working from home. (shinyessays.com)
At one time members chose this profession as a career. (remonline.com)