"有a few of么,怎么用?五十便士为什么是“fifty pence pieces"

题目

"有a few of么,怎么用?五十便士为什么是“fifty pence pieces"
只说fifty pence 可以么为什么?
还有,fifty pound coins后面有coins为什么,为了强调是硬币?

答案

a few+复数可数名词,不加of.
There are a few books on the table.
固定的fifty pence=fifty pence pieces,pieces可说可不说.
pound coin 就是指硬币.
fifty pound coins=fifty pounds
有些是固定的词.