High electricity bills point to a poor heating system or bad insulation.
高额的电费账单表明供暖系统较差或者是隔热材料不好。
That holds double for the landlord or developer, who won't actually see a penny of the savings his investment in better insulation or a better heating system might generate.
这对房东或开发商来说是双倍的好处，因为他们实际上会看到，自己在更好的隔热或更好的供暖系统上的投资不会节省一分钱。
Better insulation of your home will help to reduce heating bills.
增加房子的隔热性能会有助于减少供暖费用。
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