儿子要掉牙了,我预先察看牙齿仙女的文章,有一段这么说的7 O% C' I. [& z
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The primary useful purpose of the tooth-fairy myth is probably to give children a small reward and something to look forward to when they lose a tooth, a process which they might otherwise find worrisome. It is fun for both parent and child. It also gives children a reason to give up a part of themselves that they may have grown attached to.5 T3 @) ?" `& {2 i! _3 B
4 ]9 E$ C ]# I# p5 |Some believe that other useful purposes include giving children a sense of faith in things unseen, believing in the incorporeal, and helping them understand the difference between the real and the imaginary.' J+ R4 c8 {+ I9 A E