Some things are clear, the lucid fragments of a dream, a conversation over the phone one Easter.
有些事是清晰的，如某些梦的片断，复活节时在电话里的一段对话。
However, for quite a long time, politeness researches mainly focus on oral communication and the data collected for analysis are, most frequently, fragments of daily conversation.
然而，在相当长的一段时间内，礼貌理论的研究和分析对象都集中在口头交际用语中。
Overheard fragments of their conversation; extant fragments of an old manuscript.
零星地听到了他们的谈话；
Overheard fragments of their conversation; extant fragments of an old manuscript.
零星地听到了他们的谈话；
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