( )的特点是具有预想性、可行性、具体性、业务性。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31291' and id < 2511416 and id<>'2511416' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31291' and id > 2511416 and id<>'2511416' order by id asc limit 5