副本fùběnduplicate; copy; instance (in games)HSK 7-9PronunciationfùběnExample sentence这份合同的副本需要双方各保存一份。Zhè fèn hétong de fùběn xūyào shuāngfāng gè bǎocún yí fèn.Each party needs to keep a duplicate of this contract.Read and choose an answerOne fixed sampleExplore a sample