Merry Christmas to you!为什么要加to啊?

Merry Christmas to you!为什么要加to啊? Merry Christmas to you, Merry Christmas、to you (baby) happy merry Christmas to you 怎么读 same to you.,Merry Christmas sweety, Merry christmas and best wishes to you merry christmas to you 中文意思? happy eve und merry christmas to you merry christmas to me Merry Christmas to you all.——______! 范晓萱的《雪人》中merry christmas to you Merry Christmas to you and the family－是什么意思?