It is true that when there are start-up costs, such as credit checks, involved in serving a newcustomer, the costs exceed those of serving a repeat customer.
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
What’s betterthan a newcustomer?
有什么比一个新客户更好吗？
3
Each newcustomer makes you less money than the last one.