Lunch containers were not necessary for schoolkids in cities.
午餐盒对于以前在城里上学的孩子来说并非必需品。
2
Mobile phone used among schoolkids has become a problem for the school years, so one of the rules in our country says that schoolkids are not allowed to bring mobile phones to school.
小学生在学校使用手机已经成为一个问题，因此我国有一项规定是，小学生不能把手机带到学校。
3
Unlike children in traditional schools, forest schoolkids spend their day studying ant hills or even climbing tall trees.