ad valorem
柯林斯词典
1. ADJ/ADV (of taxes) in proportion to the estimated value of the goods taxed 从价征税的、地 (Abbreviation ad val, a.v., A/V)
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1. ADJ/ADV (of taxes) in proportion to the estimated value of the goods taxed 从价征税的、地 (Abbreviation ad val, a.v., A/V)