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cutting class; absence from school
欠課が多いと成績に影響が出る。
Excessive absenteeism from school affects grades.
欠課を減らすために努力をしている。
Efforts are being made to reduce class cutting.
欠課が続くと、進級が難しくなる可能性がある。
Continuous absenteeism may make it difficult to advance a grade.