名词
中文翻译：额外费用
同义词：
['surcharge', 'extra charge例句：1. The hotel charges an additional premium for a room upgrade.（酒店对升级房间收取额外费用。）']
例句：
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1. The hotel charges an additional premium for a room upgrade.
酒店对升级房间收取额外费用。
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2. The airline added an additional premium to the ticket price.
航空公司在票价上增加了额外费用。
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3. The restaurant has an additional premium menu that includes seafood.
这家餐厅有一个额外的高级菜单，包括海鲜。