You may not care to know that your air conditioner is running, but knowing that your air conditioner is on and your Windows are open indicates a problem.

你可能不在乎开着空调，但如果你得知空调开着的同时窗户也开着，你就知道出问题了。

youdao

You may not care to know that your air conditioner is running, but knowing that your air conditioner is on and your Windows are open indicates a problem.

你可能不在乎开着空调，但如果你得知空调开着的同时窗户也开着，你就知道出问题了。

youdao