To collect incomplete pieces and patch up missing parts; to compile fragments and fill in gaps, often in academic or archival work.
这位历史学家穷尽一生，致力于从各种零散文献中收残缀轶，力求还原那段被遗忘的历史。
This historian spent his entire life dedicated to collecting fragments and patching up omissions from various scattered documents, striving to restore that forgotten period of history.
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