同根派生 proportional tax相關(guān)詞英漢例句用作名詞 (n.)If the tax rate remains constant while the tax base varies in size, the tax is said to be proportional.當(dāng)稅基發(fā)生變化，稅率恒定時(shí)，此稅被認(rèn)為是比例稅。proportional tax更多例句