环境设计应遵循的方针是（ ）。[湖南2019]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24868' and id < 2123579 and id<>'2123579' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24868' and id > 2123579 and id<>'2123579' order by id asc limit 5