1. Which one is more common? I cannot afford our trip fare. I cannot afford our trip cost. I'd like to know the difference and where you use fare and cost ---"trip fare" refers to the cost of the transportation ticket only, while "trip cost" includes any other charges such as food, hotel, etc. 2. a tour ship which is very large and luxurious inside, eg: Costa. What kind of ship it is?What kind of ship is Costa? --- we call a ship like that a "luxury liner" or a "luxury cruise ship"