That's a 15 dollar fine.这句话里dollar为什么不用复数形式dollars?

That's a 15-dollar fine That's a 15 dollar fine.这句话里dollar为什么不用复数形式dollars? fine意为罚款时是不可数名词吗?That's a 15 dollar fine,dollar 为什么不加S,前面怎么能用a呢? 翻译:It's against the traffic rules.that's a 15 dollar fine.和I'm really sorry.sir. That will be a dollar fifty altogether. 7.It was estimated that the thieves had stolen worth of jewelry from the shop.A.one-million-dollar B.one million dollar's C.one million dollars' D.one million dollars答案选择C,请问A错在哪里? it's a dollar for coffee and donord是什么意思 i'd like to chang a ten-dollar bill.能否换成i think that chang a ten-dollar bill?为什么 英语翻译here ara 15 dollars.let‘s go to a fast food restaurant for lunch.how do we go there?what’s your idea?let's walk there .lt‘s good exercise.sorry ,sir.lt’sagainst the traffic rules .that‘s a 15dollar fine.ah...but our lunch?l'm re there is a 10 dollar cover to get into the club.10 dollar要不要加s? a dollar for Haiti dollar后面加s为什么? 为什么the 20 dollar的dollar后面不用加s? DOLLAR dollar dollar和yuan的区别wait a minute=?how much is that football=?enormous的用法 dollar和yuan 的区别 英语翻译The recent decline in the vaule of the dollar was triggered by a prediction of slower economic growth in the coming year.But that prediction would not have adversely affected the dollar had it not been for the government's huge budget def a million dollar question什么意思?Just how Canada's immigration backlog ballooned to almost one million applications today is indeed a million dollar question.请问上句a million dollar question是什么意思?