英文關鍵字
abstract
background
banner
bio
business
care
celebration
concept
conservation
continent
day
design
earth
eco
ecological
ecology
energy
environment
environmental
family
forest
friendly
global
globe
grass
green
growth
hand
hologram
illustration
leaf
life
light
logo
map
natural
nature
organic
people
planet
plant
poster
protect
protection
save
sign
space
sphere
spring
sustainable
symbol
tree
vector
world