英文關鍵字
alone
business
businessman
caucasian
chair
city
depression
executive
fatigue
home
illness
journey
lifestyle
male
man
men
metro
night
overworked
passenger
people
person
platform
professional
public
rail
railway
sadness
seat
sit
sleep
sleeping
station
subway
tired
tiredness
train
tram
transit
transport
transportation
trasportation
underground
window
woman
work
worried