merry christmas后面可以加day吗

merry christmas后面可以加day吗 Merry Christmas后面啊要加dayMerry Christmas后面啊要加day merry Christmas之后为什么不能加day Merry Christmas Merry Christmas merry christmas Merry Christmas! MERRY CHRISTMAS Merry Christmas! merry christmas! Merry christmas! merry christmas! Merry Christmas! merry christmas, merry christmas merry christmas可以用thank you! Merry Christmas和Merry Christmas day区别? Merry lonely Christmas是什么意思?Merry lonely Christmas