Well I'm going to match families on country of birth and residence, the demographics -- what sex, their age -- their income level within their own country, their educational achievement, a lot about their family structure.
우선 태어난 국가와 거주 지역, 성별과 연령, 국내에서의 수입, 교육적 성취도와  가족 관계 등이 있습니다.