英文關鍵字
environmental
recycling
line
symbol
green
economy
industry
energy
saving
electrical
transport
zero
waste
technology
production
growth
economics
factory
sustainable
development
social
responsibility
globe
planet
earth
eco
friendly
system
ecology
circular
ecologically
clean
city
protection
balanced
money
flower
alternative
device
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
glyph