Customer Consumer Client Patron Buyer Shopper Purchaser Gues

Customer Consumer Client Patron Buyer Shopper Purchaser Gues 请问customer、consumer、client三者的区别是什么? 有谁知道customer,consumer和client有什么不同吗?以及用法. customer 和 consumer是什么意思? Purchaser和buyer有什么区别? guest、customer、consumer的区别 consumer和customer的区别? customer和consumer的区别? consumer to customer怎么读, customer,client,tanant,guest的区别 client和customer有何区别? Customer和Client的区别是?