市场上名牌产品，一般来说价格都比较高，其根本原因是(     )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28144' and id < 2305763 and id<>'2305763' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28144' and id > 2305763 and id<>'2305763' order by id asc limit 5