投资者将资金用于购买房地产相关有价证券等行为是指 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30224' and id < 2445178 and id<>'2445178' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30224' and id > 2445178 and id<>'2445178' order by id asc limit 5