对于某项会计事项的变更，如果难以区分其属于会计政策变更还是会计估计变更时， 企业应（ )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24560' and id < 2108446 and id<>'2108446' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24560' and id > 2108446 and id<>'2108446' order by id asc limit 5