Please indicate your gender
Male
Female
Others
Prefer not to say
Suppose you are buying second-hand pot that have been used for 1 year (buying through WeChat group chats), and the original price is 150 RMB, how much would you prefer?
150
130-149
110-129
90-109
70-89
50-69
50
Suppose you are buying second-hand cup that have been used for 1 year (buying through WeChat group chats), and the original price is 60 RMB, how much would you prefer?
60
50-59
40-49
30-39
20-29
10-19
1-9
Please select '70'
Suppose you are buying second-hand book that have been used for 1 year (including textbook or fictions / non-fictions), and the original price is 40 RMB, how much would you prefer?
Please indicate the reason of selecting choices above