今次 ， 佢哋想幫助紐約嘅公立學校系統 一個每年負責教育 過百萬嘅學生嘅龐大嘅機構 啲教學樓就係噉樣 又大又舊 漏風 ， 年久失修 好需要修理
This time, they wanted to help New York's public school system, a huge institution responsible for educating millions of students a year, with its big, old, leaky buildings in disrepair and in need of repair