fánghuàn yú wèirán

Mandarin

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Romanization

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fánghuàn wèirán (Zhuyin ㄈㄤˊ ㄏㄨㄢˋ ㄩˊ ㄨㄟˋ ㄖㄢˊ)

  1. Hanyu Pinyin reading of 防患於未然防患于未然