Professional socialization refers to the process in which individuals choose occupations according to social needs, master the knowledge and skills to engage in a certain occupation, and update and retrain their knowledge and skills after engaging in a certain occupation
According to the above definition, which of the followings belongs to professional socialization:
Zhang, the canteen administrator, saw that translation talents were urgently needed in many fields. He studied in his spare time and worked in a company after obtaining the translation qualification certificate