合同成本主要包括（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26346' and id < 2203036 and id<>'2203036' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26346' and id > 2203036 and id<>'2203036' order by id asc limit 5