英文關鍵字
asphalt
background
banner
candidates
choice
collaborate
collaboration
common
concept
concepts
conceptual
cooperate
cooperation
countries
country
diplomacy
down
europe
european
europeans
flag
ground
ideas
institution
integrated
integration
interaction
international
message
migration
need
patriotism
policy
political
politics
shows
solidarity
symbol
the
top
union
waiting
wallpaper