(Fortunately, most window units just recycle inside air) .

（幸运的是，大多数窗式空调只是循环室内空气）。

If you have a window unit, maybe you don't actually want to run your air conditioner, maybe you want to use a fan, 'cause the thing we're trying to avoid is pulling that gross air from the outside into your home.

如果你有一个窗户单元，也许你真的不想运行你的空调，也许你想使用风扇，因为我们试图避免的事情是将外面的空气吸入你的家中。