求翻译：日本的课外补习班作为经营性企业，一般只雇用少量专职人员，大部分教师是公司聘用的兼职人员。日本社团法人全国补习班协会调查显示，补习班的非专职教师主体是大学生、研究生和主妇，在职教师所占比例最低，仅为4.3％。可见，日本教师到补习班兼职并不普遍，这在一定程度上有利于切断学校与补习机构之间的利益链条，维护教育公平。是什么意思？

Extracurricular cram as business enterprises generally employ only a small number of full-time staff, most teachers are part-time staff employed by the company. Japanese corporation aggregate cram Association survey shows that the cram-time teachers in the main students, graduate students and housew

Extra-curricular classes in Japan as a business, only a few general full-time staff, the majority of teachers are employed part-time staff. Japan's corporate association national institutes, non-full-time teachers of students who are college students, graduate students and Housewives, teachers, and

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Japan extracurricular classes as a business enterprise, generally employ only a small number of full-time staff, part-time staff of most teachers are employed by the company. Japan Association National Association of school surveys show that part-time teachers of the school principals are university

Japan's extracurricular supplementary class took the managerial enterprise, only employs the few full time personnel generally, the majority of teachers are the personnels for part-time duty who the company hires.The Japan Juridical associat