求翻译：（3） 社会团体、企事业单位，主要是对社会人员、青年学生等进行职业指导。前者被称为学校职业指导，后者被称为社会职业指导，这是按实施主体的不同而进行的一种划分。是什么意思？

(3) social organizations, enterprises, mainly on social workers, students and other career guidance. The former is called vocational guidance in schools, which is called the social and vocational guidance, which is the subject of a different Division.