yuányuánbùduàn

== Mandarin == === Romanization === yuányuánbùduàn (Zhuyin ㄩㄢˊ ㄩㄢˊ ㄅㄨˋ ㄉㄨㄢˋ) Hanyu Pinyin reading of 源源不斷 / 源源不断