He was a nonresident student,but he used to lunch in at school. 他是走读生，但中饭经常在学校里吃。
Besides, two among the three were boarders in the high school, meaning that they were from the countryside, while the other was a day student from the county town. 在高中时，他们三人中有两个是住宿生，也就是说，是从农村来的，另一个是县城的走读生。
