核心问题
a couple of 到底是“一对”“一双”，还是指“若干”“几个”“两三个”？
词典解答
a couple of 具有两种不同的含义: (a) “一对” “一双”, 如 a couple of players(一对选手);
(b)“几个”“若干”，例如：
-
We walked a couple of miles. (MD) 我们走了几英里。
-
The keystone is believed to have been created by the Priory sometime in the past couple of decades. (Dan Brown, The Da Vinci Code) 据说楔石实际上是由隐修会在几十年前造出来的。(《达·芬奇密码》)
练习题
请做下面的英语试题：
“What do you want from the grocery store, Karen?” “Oh, I just need some toothpaste and
A. a little bit of other things B. a couple of other things
C. a few of some other things D. some other little things or two (TOEFL)