( )是意义或概念的最小单位，它往往传达一定的信息，隐含一定的意义。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30611' and id < 2469393 and id<>'2469393' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30611' and id > 2469393 and id<>'2469393' order by id asc limit 5