商业银行资本的作用主要有（ ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='24645' and id < 2113825 and id<>'2113825' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='24645' and id > 2113825 and id<>'2113825' order by id asc limit 5