市场上某产品存在超额需求是由于该产品供不应求(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='1833' and id < 119498 and id<>'119498' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='1833' and id > 119498 and id<>'119498' order by id asc limit 5