英文關鍵字
appliance
bill
billboard
bills
british
budget
business
charge
chester
close
company
concept
consumption
cost
covid19
current
debt
dial
digits
disc
domestic
economy
editorial
electric
electricity
energy
estimate
expensive
finance
focus
high
higher
home
house
increase
industry
inflation
kilowatt
kwh
macro
measure
measuring
meter
money
monitoring
posters
power
price
rates
reading
rotor
safety
saving
slow
spend
spin
street
supplier
symbol
technology
turning
usage
utility
voltage