英文關鍵字
40s
african
american
black
book
business
businessman
businessperson
carriage
class
commuter
commuting
computer
digital
first
forties
journey
lockdown
male
man
medium
men
occupation
one
online
passenger
people
person
railway
reader
reading
shot
sitting
speed
suit
tablet
technology
touchscreen
train
transport
travel
travelling
window
wireless
working