translation.en: In schools, children defecate on the floors and then leave a trail outside the building and start defecating around the building, and these pits have to be cleaned and manually emptied.
translation.zh: 在学校，孩子们会把便排在地板上 然后蔓延到楼外， 然后开始在楼层的周围排便， 这些坑需要被打扫 并且用人工去清空。