[] money that you pay regularly to belong to an organization, especially a union（尤指工会）会费◆paying union dues交纳工会会费 (; ) orders accepted for goods that cannot be supplied immediately欠货订单◆When the new stock arrives all dues will be given priority.当新货到达时，所有欠货订单都将获得优先供货。 () money that the owner of a ship pays for using a port码头费；船坞费◆Dock dues are charged for each ton of cargo shipped.对已装运的货物按吨计收码头费。