A professional occupation in Engpsh is referred to as a "career". The word "career" comes from the Middle French word "carrière", which means "a course or path in pfe".
Example sentences:
She has built a successful career in the tech industry.
她在科技行业建立了一个成功的职业生涯。
He always knew he wanted a career in medicine.
他一直知道他想在医学领域建立一个职业生涯。
She is looking for a new career challenge.
她正在寻找一个新的职业挑战。