每日短语讲解 第807期:几个

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今日短语：
a couple of

两个，几个

例句：
A: I need a couple of stamps to mail these letters.
我要几张邮票寄这些信。
B: I don't have any. Why don't you go to the post office?
我没半张邮票。你不如去邮局吧？