A quieter, much more energy-efficient refrigerator and air conditioning, and a much lower electricity bill.

一个更安静，更节能冰箱和空调，以及更低的电费。

youdao

A quieter, much more energy-efficient refrigerator and air conditioning, and a much lower electricity bill.

一个更安静，更节能冰箱和空调，以及更低的电费。

youdao