a couple of 到底该怎么翻译?是两个还是三个还是两三个呢?

a couple of 到底该怎么翻译?是两个还是三个还是两三个呢? couple of days we are visiting for a couple of days.怎么翻译,couple of days a couple of leads翻译 a couple of month翻译 a couple of different levels 怎么翻译恰当 in a couple of怎样翻译? “A couple of years”到底是指几年? a couple of 并翻译例句but i have a couple of leads 1.a couple of years ago怎么翻译?2.to their i forget to turn in a couple of assignments 怎么翻译 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 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