下列不属于市场体系的三大支柱的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29504' and id < 2400040 and id<>'2400040' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29504' and id > 2400040 and id<>'2400040' order by id asc limit 5