welcome 和welcome abroad有什么区别,有abroad构成的常用短语

Abroad 和　on abroad的区别, not at all 和you are welcome有什么区别? aboard 和 abroad的区别 welcome to our house 与 welcome to our home,之间有什么区别? go for abroad 和 go abroad区别 both at home and abroad和直接用at home and abroad有什么区别,千万别和我说加bo 英语aboard和abroad的区别 英语 aboar和abroad的区别 You're welcome .和That's all right.有什么区别? that'all right 是回答什么的?not at all和you are welcome有什么区别 Welcome有没有过去式? welcome有那些意思