沉没成本 Traditional 沉沒成本 chén mò chéng běn 🔊 sunk cost (economics) + Keep this word Meanings chén mò chéng běn 沉沒成本 sunk cost (economics) Its characters 沉chénto submergeHSK 5没méihave not; not成chéngto succeedHSK 6本běn(measure word for books)HSK 1