What does it mean和What does that mean?有什么区别?为什么我的书上说杰克问本What

What does it mean和What does that mean?有什么区别?为什么我的书上说杰克问本What What does it mean和 What does it ...mean 用法的区别 What does it mean what does it mean?为什么用does what does that mean,于what is that mean 意思一样吗?什么区别 爱情.what does that mean? What does that sign mean? what does “disgusting”mean?回答：it mean . What does it mean "hierhin"? "trouble" What does it mean What does it mean,please? "shamble".what does it mean?