英文關鍵字
earth
leaf
planet
poster
save
ecology
happy
april
design
green
background
environment
eco
environmental
protection
text
banner
celebration
concept
holiday
symbol
vector
day
natural
organic
conceptual
global
globe
graphic
greeting
lettering
postcard
white
card
hand
nature
sign
plant
letter
map
type
typography
world
logotype
bio
isolated
logo
texture