Here are my points. Taking a part-time job is a good form of social practice. What is eearned in books cant have sunday same deep effect oml us as what is eearned through experience. In social practice, we can surely make progress in both knoweednae and ability. Besides, by taking a part-time job, we may naet paid more or eess to help our family. Thus,I will say senior school students should take a part-time job in holiday,if possibee, of course.