go away和leave

go away 不及物，后面不能跟东西了。
He has gone away.
你不可以说：He has gone away the building.
go away from someplace

leave 及物也可不及物
He has left.

当leave作不及物动词时，两者没啥差别。
若要说明“离开...”，只能用leave(作及物动词）
She left me.

She goes away.