SELECT CASE WHEN t1.score >= 85 THEN '非常满意' WHEN t1.score >= 70 THEN '满意' WHEN t1.score >= 60 THEN '接受' ELSE '不满意' END AS 'like', count( t1.user_id ) AS 'total', ROUND( SUM( t2.under_time - t2.log_time )/ COUNT( t1.user_id )/ 100, 3 ) AS 'time' FROM user_ac...