优惠存款 soft loan ; preferential interest deposit

优惠存款利率 prime rate

首存优惠 Preferential

时段优惠已存在 this period discount already exists

时段优惠不存在 No such period discount

总额优惠段不存在 No such sum discount period

优惠策略已存在 this discount policy already exists

总额优惠已存在 sum discount already exists

总额优惠不存在 no sum discount