Customers have been complaining about the inconsistency in the quality of service they have received.顾客一直在投诉他们接受到的服务的质量时好时坏。Customers expect consistency in the quality of service they receive.顾客期望他们得到的服务质量始终如一。Customers expect that the quality of service they receive will be consistent.顾客期望他们得到的服务质量始终如一。Cost-cutting has led to a lower quality of service.削减成本导致了服务质量的降低。