英文關鍵字
autumn
bad
bank
bill
central
clothes
cold
concept
conceptual
crisis
currency
domestic
electric
electricity
energy
euro
europe
european
expensive
financial
freezing
gas
goes
green
hat
heater
heating
home
house
indoors
insulation
interior
metal
money
negative
notes
paper
poverty
problem
radiator
rising
scarf
stuffed
system
turn
warm
warmth
winter