所谓屏护，就是使用（）等将带电体与外界隔离。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27281' and id < 2260585 and id<>'2260585' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27281' and id > 2260585 and id<>'2260585' order by id asc limit 5