英文關鍵字
action
adult
age
commuter
diversity
ethnic
ethnicity
exercise
gender
going
healthy
leisure
male
man
movement
pedestrian
people
person
someone
somewhere
step
stepping
walk
walker
walking
英文關鍵字
action
adult
age
commuter
diversity
ethnic
ethnicity
exercise
gender
going
healthy
leisure
male
man
movement
pedestrian
people
person
someone
somewhere
step
stepping
walk
walker
walking