[問卦] 為啥有些中國人沒捲舌音?
https://www.ptt.cc/bbs/Gossiping/M.1761965331.A.ADB.html

Re: [問卦] 為啥有些中國人沒捲舌音?
https://www.ptt.cc/bbs/Gossiping/M.1761970937.A.D6A.html

Re: [問卦] 為啥有些中國人沒捲舌音?
https://www.ptt.cc/bbs/Gossiping/M.1762019756.A.95D.html