do you think the structure and its function of the illustration is clear ?( left:0,unlikely. right: 5, likely)你认为结构和功能能很好在图中显示出来吗？（从左到右一到五分）
how likely are you to buy our product or to recommend our product to a friend or a colleague?(left:0,unlikely. right: 5, likely) 你有多大可能购买或向朋友或同事推荐我们的产品？从左至右一到五分。
Would you be so kind to leave us a short testimonial? 能写一下简短的理由吗？
What do you like the most about our product?你最喜欢我们产品的那个部分？
aesthetic 外观
function 功能
safety 安全
size 尺寸
material材料
would you provide some evidences? 为什么喜欢产品的那个部分?
What do you like the least about our product？你最不喜欢我们产品的那个部分？
aesthetic 外观
function 功能
safety安全
size 尺寸
material 材料
would you provide some evidences? 为什么不喜欢产品的那个部分？
how can we improve moving forward?我们可以怎样改进呢？