1·Margaret demanded total loyalty from her friends, but by the same token she gave total loyalty in return.
玛格·丽特要求朋友对她完全忠诚可靠，她对朋友们同样也很忠诚可靠。
2·The goal of relationship marketing in commercial bank is to build up customer loyalty, because 80% of the total profit is come from 20% loyal customer.
商业银行关系营销的目标是建立顾客忠诚，因为企业80%的利润来自于20%的忠诚顾客。