Finally,leave space between the food containers and the walls of the cold storage area so air can flow.

VOA: special.2009.11.30

He did it to bring more light, he did it to bring more air, he did it to free the flow for capital, money; that's why the department stores are on the boulevards.

他这么做是为了多点光,多点新鲜空气,他为了使资产的流动更为自由,这就是为什么百货商店都建在大道旁边

耶鲁公开课 - 1871年后的法国课程节选

This makes it difficult for air to flow in and out of the lungs.

VOA: special.2009.07.28

But they also advise leaving enough space between the plants so air can flow.

VOA: special.2010.06.29