英文關鍵字
adult
adventure
asking
auto
backpack
bag
beard
car
direction
everywhere
female
free
freedom
girl
guy
hand
help
highway
hiker
hiking
hitch
hitchhike
hitchhiker
hitchhiking
holiday
journey
man
mountain
nature
outdoor
people
person
road
roadside
route
sign
stop
street
summer
thumb
tourism
tourist
transport
travel
traveler
trip
vacation
walking
way
young