下列对经济学的理解，说法正确的是：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30997' and id < 2493564 and id<>'2493564' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30997' and id > 2493564 and id<>'2493564' order by id asc limit 5