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collecting; accumulating; gathering
collection (of art, stamps, insects, etc.)
garbage collection; waste collection
古文書の蒐集に生涯を捧げた研究者がいる。
There is a researcher who devoted his life to collecting old manuscripts.
祖父は若い頃から切手の蒐集を趣味としている。
My grandfather has collected stamps as a hobby since he was young.
情報を蒐集してから分析に取りかかった。
After gathering the information, I began the analysis.