额外费用

• premium
• extra charge
• additional cost
• extra cost
• traordinary expenditure
• additional charges
• additional expenses
• tra expenses
• spill overs
• extra expense

参考释义

额外费用

• -

例句

1. 成交看来有困难，并有一些不可避免的额外费用，是否继续谈下去。
   Business prospect uncertain but extra expense inevitable shall we endeavor still.
2. 零星的额外费用积少成多使总数增大了
   Small extra costs all swell the total.