It is true that when there are start-up costs, such as credit checks, involved in serving a new customer, the costs exceed those of serving a repeatcustomer.
的确，当服务新客户需要启动成本时，比如信用检查，其成本要高于服务老客户的成本。
2
It is not at all clear why the costs of serving a highly loyal customer should in principle be different from those of serving any other type of repeatcustomer.
为什么服务一个高度忠诚的顾客的成本原则上与服务其他类型的回头客的成本是不同的，这一点完全不清楚。
3
It's a 'repeatcustomer' that can help your business soar too.