“新方案的成本是多少”这一问题应在价值工程的（ ）被解决。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26420' and id < 2207513 and id<>'2207513' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26420' and id > 2207513 and id<>'2207513' order by id asc limit 5