来自杜晓明的问题
whatisitthateverythingcandivide,butnoonecanseetheplaceatwhichithasbeendivided
whatisitthateverythingcandivide,butnoonecanseetheplaceatwhichithasbeendivided


whatisitthateverythingcandivide,butnoonecanseetheplaceatwhichithasbeendivided
whatisitthateverythingcandivide,butnoonecanseetheplaceatwhichithasbeendivided
air?