英文關鍵字
bill
close
closeup
consuming
consumption
cost
counter
counting
crisis
definition
ecological
energy
environment
expensive
gas
heating
measure
meter
price
spinning
usage
英文關鍵字
bill
close
closeup
consuming
consumption
cost
counter
counting
crisis
definition
ecological
energy
environment
expensive
gas
heating
measure
meter
price
spinning
usage