Consider a clock thermostat, and set it so that you're not using energy when you don't need it, when you're out of your house.

Consider a clock thermostat, and set it so that you're not using energy when you don't need it, when you're out of your house.

考虑一个时钟恒温器，把它设置成这样，当你不需要能源的时候，当你不在家的时候，你就不会使用它。

-- Al Gore 阿尔·戈尔