“用户体验”（User eXperience）和“用户界面”（User Interface）这两个术语之间差别，应该还部分朋友也不大知道。2010年时， Quora 上就有个同名问答贴，回复挺多。摘译部分得票数高的回复。
1. Xianhang Zhang 的回复
就两张图，得票数 918
- 图1：这是“用户界面”设计
图2：这是“用户体验”设计
图2 中的英文大概意思：在立便器上用黑色轮廓蚀刻一只苍蝇。如果解小便的男士看到了苍蝇，会“瞄准”它。Fly in urinal 研究标明，蚀刻了苍蝇后，尿到外边的情况减少了20%。
2. 交互式设计师 Dan Saffer 的回答
简单来说：用户体验（UX）一个产品或服务的总体体验，其中就包括了用户界面（UI）。UI 通常由视觉设计（感觉和外观）和交互设计（如何运作）组成。不过，UX 可以涵盖很多学科，从工业设计到建筑学，到内容。我在一年多前画过一张图，如下：
- 图3：用户体验设计
【更新】：Dan Saffer 是何许人物？ @星歌物语: Dan Saffer是旧金山一家产品设计咨询公司Kicker SttJdio的负责人，是交互设计领域的思想先行者和国际性演讲人。Dan设计过很多产品，从在线应用到移动设备再到消费电子产品。他的交互设计创新产 品包括多项专利，至今每天被数百万人使用。他拥有卡内基·梅隆大学的设计学硕士学位。（更新时间：2012-5-19 23:49:42 ）
3. 设计师 Chrys Bader
用餐厅打比方：
餐具、盘子、桌子、椅子，这些就是用户界面；
食物、服务、氛围，这些就是用户体验。
更新：再简化一下：UI 就是用户用来和你产品进行交互的东西，UX 就是用户和产品进行交互时用户的感受。
4. 设计师 Ed Lea 的回答：Ed 做了一张信息图，已经由@设计的那些事 汉化
如果想查看其他回复，请查看原问答贴吧。
原文：Quora 编译：伯乐在线 – 黄利民
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