Big countries where people like to drive, they like to go on road trips, means it's a long trip, you're driving everywhere, staying at hotels, maybe camping out in the woods, all these things.
大国家的人民都喜欢驾车,他们喜欢驾车旅行,意味着路途很长,你能开车到任何地方,在酒店留宿,也可能在树林里露营,类似诸如此类的事情。