客户评级能够量化不同信用等级客户的（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25437' and id < 2142718 and id<>'2142718' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25437' and id > 2142718 and id<>'2142718' order by id asc limit 5