英文關鍵字
30s
40s
60s
african
american
black
business
businessman
businessperson
businesswoman
busy
call
carriage
caucasian
cell
cellphone
class
commuter
commuting
crowded
female
first
forties
group
journey
lockdown
male
man
medium
men
mobile
occupation
online
passenger
people
person
phone
railway
shot
sitting
sixties
speed
standing
suit
talking
thirties
train
transport
travel
travelling
wireless
woman
women
working