Happiness is as a butterfly which, when pursued, is always beyond our grasp, but which if you will sit down quietly, may alight upon you.
这是《鬼吹灯》系列的核心概念,意指在古墓中点燃蜡烛以判断是否有鬼魂存在。
广告的目的是销售。这是唯一的目的。