informal association造句

Orientation and regulation of the informal associations of college student
高校学生非正式群体的教育与引导
It also opens a way to a kind of experience which would not be accessible to the young , if they were left to pick up their training in informal association with others , since books and the symbols of knowledge are mastered
如果让年轻人和其他人在非正规机构中进行他们的培训，掌握了书本和大概的知识，也能开启一扇通向年轻人难以得到的某些经历的大门。
It's difficult to find informal association in a sentence. 用informal association造句挺难的