an extra amount added to the basic cost of sth such as insurance 额外费用，附加费用◆If you are a young or inexperienced driver, a loading will be added to your insurance premium. 如果你是一位年轻的或无经验的司机，你的保险费要外加附加费。◆The 2% loading for using the card abroad has been removed. 在国外使用信用卡收取 2% 额外费用的规定已被取消了。
() especially in Australia and New Zealand, extra money that sb is paid for their job because they have special skills or qualifications 额外收入（尤指在澳大利亚和新西兰，向有特殊技能或资格的人支付的额外款额）