translation.en: We got the lightbulbs replaced, and we cleaned every classroom to its core, recycling every, every textbook that was not needed, and discarded thousands of old materials and furniture.
translation.zh: 我们也把灯泡换了， 我们把每个教室都清理妥当， 回收了所有没有用过的教科书， 扔掉了一堆堆的旧材料和摆设。