美國有一個傳統是卸任總統要留一封信給新任總統(翻譯如下)親愛的拜登先生：他們告訴我,我必須依照傳統要留一封郵件給你,我不知道那是為什麼或是要寫什麼.為了展現善意,我會提供我任何高爾夫俱樂部5折的優惠給你,若要住我的酒店,我會提供更優惠的價格喔。唐納，川普
2021 Inauguration Day news coveragehttps://edition.cnn.com/politics/live-news/biden-harris-inauguration-day-2021/index.htmlJoe Biden and Kamala Harris were sworn in today on the steps of the Capitol as President and Vice President of the United States. Follow here for the latest.