Age
18-25
26-35
36-45
46-55
more than 55
How long have you been driving？
Less than 1 year
1-10 years
more than 10 years
Purpose of driving
Commuting
Travel
Means of transport
其他
Why do you choose to drive instead of other forms of transportation？
convenience
quickness
safety
comfort
others
Do you think car exhaust is harmful to air quality？
Harmful
To some extent
It doesnt matter much.
The mobile app you use the most
Wechat
Weibo
Facebook
Tiktok
others