tax exemption
免税
exemption clause
豁免条款
qualify for exemption
符合豁免条件
exemption certificate
免除证书
duty exemption
免税
qualify for an exemption
符合豁免条件
tax exemption
免税
exemption clause
豁免条款
qualify for exemption
符合豁免条件
exemption certificate
免除证书
duty exemption
免税
qualify for an exemption
符合豁免条件
探索常用高频词汇