旅行社对已经预订旅游产品的游客在其到达后所提供的服务称为产品促销。( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26620' and id < 2217188 and id<>'2217188' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26620' and id > 2217188 and id<>'2217188' order by id asc limit 5