conveniently便利地；in passing顺便提及；while you are at it；without extra effort ； by the way顺便地, 附带说说We can't go into all the details of that case now, I merely mention it in passing.我们现在不能讨论这一案例的所有细节, 我只是顺便说一下。While you’re at it, clean your ears, too! 你顺便清理一下你的耳朵吧！By the way, what time is it?顺便问一下, 现在几点了?
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