期待视野是由（   ）提出的。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26644' and id < 2219449 and id<>'2219449' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26644' and id > 2219449 and id<>'2219449' order by id asc limit 5