additional fee造句怎么写

However, the incremental gain for each additional feed-heater reduces as the number of heaters increases.

Note: Entry fee should be paid in advance or upon arrival in cash. An additional fee may be required depending upon which membership you have.

Recently, airlines have received lots of attention for moving longtime standards - baggage, food, drinks, even pillows and blankets - from the "included" pile into the "for an additional fee" pile.

"I'll tell you another story along that line," said the advocate. "There was a client who was so pleased with his service in a case, that he sent him an additional fee...."

If you need your passport right away, you may request expedited service for an additional fee.

Many fares are valid only for the flights on the dates shown on the ticket and may not be changed at all, or only upon payment of an additional fee.

It claims, for an additional fee, to be able to put together a portfolio of the best hedge-fund managers.

Are there any additional fees or hidden costs?