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。

《柯林斯英汉双解大词典》

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。

《柯林斯英汉双解大词典》