英文關鍵字
abstract
agriculture
alpha
background
business
businessman
clean
clear
conceptual
creative
creativity
currency
dollar
eco
ecology
energy
environment
environmental
euro
farm
field
finger
floor
flora
forest
fresh
from
garden
graphic
green
ideas
included
isolated
land
lawn
leaf
leaves
life
made
mark
meadow
money
natural
nature
object
plant
sign
signs
style
symbols
touching
tree
won
yen
yuan