UX       
noun [ U ] uk/ˌjuːˈeks/ us/ˌjuːˈeks/
 business, internet & telecoms specialized用户体验(user experience 缩写) 
abbreviation for user experience: the experience of someone using a product, system, or service, for example whether they find it enjoyable and easy to use
  He is director of UX at a social media site.  他是一家社交媒体网站的用户体验总监。 
 - More examples
 - The role involves helping to shape the UX across different European territories.
 - We are going to introduce and break down what UX means and how it affects us all in our everyday lives.
 - Software developers must consider the UX aspect of applications.
 - The term "touchpoint" is very common to UX practitioners.