What do you mean, lost in the air?
"Lost things meet with emptiness" is a numerology concept, which means that lost things meet with emptiness. Empty death is a very important concept in the eight-character prediction, which means that in the Lu Ming method, Jiazi starts from Yuan, palm for ten years, ten years is a week, and * * * sixty years is a great luck, which is used to infer the good or bad luck of each transportation limit. The meaning of "emptiness" means that things are lost here, but they have not disappeared, just like people are gone, but their souls are still there.