select city, round(avg(avg_order_num),3) as avg_order_num, round(avg(avg_income),3) as avg_income from ( select t1.city as city, t2.driver_id, round(count(t2.order_id),3) as avg_order_num, round(sum(t2.fare),3) as avg_income from tb_get_car_record t1 left join tb_get...