+ J2 E. l! l5 z( Q6 D% _* HThe 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. , h( c0 b- a R& h& m8 c* z8 F + V2 a; G0 i8 v3 T$ F( e2 WSome 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. 1 n7 q3 B2 N; M" [; i! W / Q2 q. s7 s: h& u+ b红字部分尤其有道理。神话故事,恰恰是帮助孩子理解现实和现象力的区别。