a number of和an amount of的区别?
问题描述：
a number of和an amount of的区别?
答
an amount of通常与不可数、无生命的名词连用.如：She spent a very large amount of money yesterday.她昨天花了好大一笔钱.a number of与可数、有生命或无生命的名词连用.如：The president has made a large numb...