A discount coupon is a kind of ticket or document that can be__for a financial discount or rebate when purchasing a product.(   )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28370' and id < 2319881 and id<>'2319881' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28370' and id > 2319881 and id<>'2319881' order by id asc limit 5