英文關鍵字
renewable
property
retirement
typical
electricity
efficiency
common
sustainable
ecological
supply
electrical
building
family
residential
classical
top
america
fuel
usa
recycling
technology
energy
housing
power
alternative
panels
solar
generator
electric
rooftop
hightech
cells
suburban
dwelling
neighborhood
clean
source
autonomous
photovoltaic
home
batteries
roof
house
green
future
investment