而具(ju)有(you)较(jiao)高(gao)满意度和忠(zhong)诚度的老顾客的建(jian)议(yi)往(wang)往具有决定(ding)作用,他们的(de)有力推荐往(wang)往比各种(zhong)形式(shi)的广告(gao)更为奏效。这(zhe)样,饭店既(ji)节省(sheng)了吸引新顾客的销售成本,又增加了销售收入,从而饭店(dian)利润又(you)