#법률행위(Juristic Act)   #법률행위자유의 원칙(the Principle of Liberty of the Legal Action)   #법률행위의 유효요건(the Condition of the Juristic Act’s Effect)   #의사표시(Declaration of Intention)   #대리(Agency)   #불법원인급여(Performance for Illegal Cause)   #남북한 법률행위의 차이점(the Difference in Juristic Act between South and North Korea)   #통일 민법(the Civil Law of the Unified Korea)   #김영규