Overseas Pre-Wedding

I have not married, but my girlfriend is already planning to get married, I heard that she had recently called in to understand a marriage of the Overseas the Pre-Wedding, anyway I do not quite understand this of Overseas Pre-Wedding, even it is not akind of marriage the way I do not know what words to this modification of Overseas Pre-wedding I really can not tell, but according to her description appears to be particularly romantic, but I think the general romantic all need to pay a high price of, so I worried about my financial strength can not bear this romantic, that when the sad reminders.