吃水不忘掘井人

chīshuǐwàngjuéjǐngrén ㄔ ㄕㄨㄟˇ ㄅㄨˋ ㄨㄤˋ ㄐㄩㄝˊ ㄐㄧㄥˇ ㄖㄣˊ

    • Drinking the water of a well, one should never forget who dug it. (idiom)

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