So, to have the technology/product/services that are highly competitive, businesses had to research thoroughly about the psychology and practice of vitiêu customers. This is exactly the reason appears the concept/rule "the customer is always right".
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)