First of all, because some things are hard to say, first find a middleman, that is, a matchmaker to talk from and propose marriage to the woman's family. Ask if there are any requirements. Come back and give it to that man. The man can bargain appropriately if he thinks it is inappropriate. Then see if the marriage is small or big. This is the result of negotiation between the two sides. It's not that complicated. Of course, if you are not from the same place, it is not easy to find people who both know. The man himself or his parents can talk to his parents in person. It is a very flexible thing. There is no theorem