单词	nonconcern
释义	nonconcern noun non·​con·​cern ˌnän-kən-ˈsərn  : something that is not a concern Some of the concerns mentioned during the working sessions with the teachers ended up being "nonissues" or "nonconcerns" by the time we interviewed them at the end of the year. Word History First Known Use 1984, in the meaning defined above
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