额外费

例句：

1. 1.The hotel charged an extra $20 for the upgraded room.
   酒店为升级的房间额外收取了20美元。
2. 2. The taxi company added a surcharge of $3 to the fare.
   出租车公司将车费增加了3美元的附加费。
3. 3. The restaurant charged an additional charge for the dessert.
   餐厅在甜点上加收了额外的费用。