英文關鍵字
adult
caucasian
female
journey
passenger
person
railroad
railway
tourist
train
lifestyle
transport
business
sitting
woman
window
trip
travel
businesswoman
portrait
transportation
smartphone
smiling
technology
using
look
phone
online
communication
internet
device
cellphone
underground
cell
metro
people
smart
station
50s
60s
senior
ticket
vacation
adventure
casual
traveler
tourism