will you go to hainan island for your winter holiday?为什么用by train不用you bet什么回
问题描述：
will you go to hainan island for your winter holiday?为什么用by train不用you bet什么回
答
will you go to hainan island for your winter holiday?寒假你会去海南岛吗?
By train意思是坐火车去
You bet意思是“当然”