英文關鍵字
bill
utility
energy
electricity
electric
gas
receipt
power
heat
water
house
price
money
rising
home
budget
payment
business
customer
expense
invoice
save
paper
report
cost
residential
consumption
英文關鍵字
bill
utility
energy
electricity
electric
gas
receipt
power
heat
water
house
price
money
rising
home
budget
payment
business
customer
expense
invoice
save
paper
report
cost
residential
consumption