lawful act
美
英 
例句
A civil juristic act shall be the lawful act of a citizen or legal person to establish , change or terminate civil rights and obligations .
第五十四条民事法律行为是公民或者法人设立、变更、终止民事权利和民事义务的合法行为。
A lawful act is an act which the law allows.
合法行为是指法律所允许的行为。
Theory of Lawful Act of Salvage at Sea
海难救助法律行为说
On the Legitimacy of Lawful Act
论法律行为的合法性