최선the best 개선improvement 최선책the best plan 친선friendship; amity 개과천선reforming one’s character; mending one´s ways 개선안improvement plan 개선책corrective measure 권선징악encouraging good and punishing evil 다다익선the more, the better 독선self-righteousness

해외여행overseas travel; trip abroad 행동action; movement behavior; deed 행사event; occasion; ceremony 비행기plane; airplane 신혼여행honeymoon 여행travel; trip 여행사travel agency 여행지travel destination 유행outbreak 은행bank