primary and middle school in border area

• 边境中小学

primary and middle school in border area的用法和样例：

例句

1. Tuition and fees and expenditures for textbooks are waived for primary and middle school students of ethnic-minority origins in some border and poor counties.
   对其他一些边境县和贫困县的少数民族中小学免除学杂费和课本费。