( )是指金融机构为了取得资金，将未到期的已贴现商业汇票再以贴现方式向中央银行转让的票据行为。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31437' and id < 2520223 and id<>'2520223' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31437' and id > 2520223 and id<>'2520223' order by id asc limit 5