每日短语 第983期:偶尔

今日短语：
off and on.

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断断续续地；偶尔

例句：
It has been raining off and on since yesterday.
从昨天起就断断续续的下着雨。
We don't go to the theatre regularly, just off and on.
我们并非定期去看戏，只是偶尔去去。