短语词组短语duty -paid proof [税收]完税凭证;[税收]完税证明China Duty Not Paid 中国关税未付duty actually paid [税收]实付税款Singapore Duty Not Paid 新加坡免税品;未交纳新加坡关税;新加坡免缴税款品Duty C paid proof 完税凭证 返回 duty paid