In my younger days,I had tasted only gladnessTo write a song pretending sadnessAnd now I’ve tasted the flavors of sorrow,bitter and sourAnd can’t find a wordBut merely say,"What a golden autumn day!"As Xin Qiji,a poet in Song Dynasty,wrote in his poem,it is believed by adults that the worries and sadness of the youth usually seem to be meaningless and shallow.They often