A career anchor refers to the kind of vital things or values in a career that a person will never give up when they have to make a choice. A technical functional career anchor refers to the entire career development of an individual, which surrounds him. A special set of technical skills or specific occupational work that excels. Based on the above definition, which of the following is a technical functional occupation anchor? ["After receiving a master's degree in computer science, Xiaoli worked for a game software company and worked as a software engineer. Due to the severe overdraft of frequent overtime, he simply resigned and opened a flower shop.", 'Dr. Wang is a neurosurgeon expert. Because of his professional skills and high reputation in the industry, he was elected as the dean and is responsible for the administration of the hospital full-time.', 'Xiaoli is a full-time actor and has performed well in many movies, but encountered a career bottleneck as she grew older, so she decided to go abroad and study business administration abroad.', 'After graduating from the chef school, Xiao Zhang was first employed in a small restaurant and was not reused in the beginning. Later, he devoted himself to studying new dishes and received great praise.']