Breakfast is provided at no extra charge.供应早餐，不另收费。The conference is going to be a lot of extra work.这次会议将有很多额外工作。an extra pint of milk外加的一品脱牛奶The government has promised an extra £1 billion for health care.政府承诺为医疗保健再拨款 10 亿英镑。Take extra care on the roads this evening.今晚在路上要格外小心。The play is to run for an extra week!extra help for single parentsThe monthly fee is fixed and there are no hidden extras(= unexpected costs).月费是固定的，没有未言明的额外开支。While I was saving I had no money for little extras or luxuries.(British English)Metallic paint is an optional extra(= a thing you can choose to have or not, but must pay more for if you have it).喷金属漆是自由选择的，要额外收费。We need hundreds of extras for the battle scenes.£400 is a lot to pay, but there are no hidden extras.No extras are included.Optional extras include anti-lock brakes and an electric sunroof.Regular guests also get added extras like free room service.The DVD extras include trailers and a behind-the-scenes feature.The DVD has a couple of interesting extras.There was no money left over for luxuries or little extras.to charge/pay/cost extra另外收费；另付；额外花费We don't charge extra for the activities—everything is included in the admission fee.I need to earn a bit extra this month.我这个月需要挣点外快。The rate for a room is £60, but breakfast is extra.一个房间收费 60 英镑，不含早餐。Now even bigger! Ten per cent extra!You need to be extra careful not to make any mistakes.你要格外小心，别犯错误。an extra large T-shirt一件特大号的 T 恤衫She tried extra hard.她特别努力。Do you have this sweatshirt in an extra large size?He wanted to cook something extra special for dinner that night.