2021年美國總統就職典禮 BBC盤點你應該了解的七個問題-風傳媒
Peterarthur
（I do solemnly swear （or affirm） that I will faithfully execute the office of President of the United States, and will to the best of my ability, preserve, protect and defend the Constitution of the United States.）宣誓就任副總統，一般而言...通常，是在總統宣誓就任之前。