“A couple of years”到底是指几年?

a couple of years couple 不是一对夫妇? 请问：“a couple of years”和“a couple of year”分别是什么意思?其中有错么? “A couple of years”到底是指几年? After joining the workforce for a couple of years,Mr.Takanashi returned to.a couple 英语翻译that happened a couple of years of years ago.这里的a couple of years 是不是指多年啊 而不是指两年? a couple of a couple of a couple of weeks a pair of couple a couple of造句, a couple of a couple of a couple of 可以说a couple of couple?一对夫妇 可以说a couple of couple不啊? 1.a couple of years ago怎么翻译?2.to their That was the situation until a couple of years late That 代指 the situation 么 several years 与couple of years的区别… I have driven the truck only a couple of times in the many yearsonly a couple of times in the many years这两个状语怎么精确翻译