英文關鍵字
active
adult
adventure
along
auto
autostop
backpack
car
catch
daughter
everywhere
family
father
female
free
freedom
girl
highway
hiker
hitchhiker
hitchhiking
journey
leisure
male
man
nature
outdoor
people
road
roadside
sign
signaling
slowmotion
stand
stop
suitcase
thumb
together
tourism
tourist
transport
travel
traveler
traveling
trip
two
vacation
vote
walk
waving
way
woman
young