1·Breakfast is provided at no extra charge.
供应早餐，不另收费。
—— 《牛津词典》
2·An extra charge may be made for providing special food.
如需提供特殊食物，将会收取额外费用。
3·There is no extra charge for these—just plug in, select the required language and adjust the volume.
这些都不需要额外的费用，只需插入电源，选择所需的语言并调节音量即可。
4·Sorry for the extra charge.
抱歉，向您多收费了。
5·Is there any extra charge?
有没有其他额外费用？
6·I can guarantee you no extra charge.
我可以保证决不加收费用。
7·The extra charge is for the water bed.
超额费用是因为有水床。
8·Do I have to pay extra charge for that?
那个我们要额外付费吗？
9·Is there an extra charge for shampooing?
洗头要另外加钱吗?。
10·Breakfast is provided without extra charge.
早餐不另外收费。