英文關鍵字
game
background
business
row
abstract
risk
danger
fall
illness
protection
man
dangerous
concept
stand
safety
spread
block
public
ill
virus
isolation
social
domino
dominoes
failure
stop
minimalism
preventive
spreading
prevention
reversed
society
minimal
epidemic
pandemic
outbreak
infection
quarantine
spacing
distancing
copy space
domino effect
chain reaction
coronavirus
stay home
covid 19
social distancing
self isolating