@JimRosenthal4 Airlines really do not want to talk about air quality on planes because they know even under the best of conditions it not very good.
@JimRosenthal4航空公司真的不想在飞机上谈论空气质量，因为他们知道即使在最好的条件下，空气质量也不是很好。
@JimRosenthal4 Airlines really do not want to talk about air quality on planes because they know even under the best of conditions it not very good.
@JimRosenthal4航空公司真的不想在飞机上谈论空气质量，因为他们知道即使在最好的条件下，空气质量也不是很好。