从层次的角度看，产品是由 构成的。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28614' and id < 2336379 and id<>'2336379' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28614' and id > 2336379 and id<>'2336379' order by id asc limit 5