另外一個USAToday的 link，更權威些。

來源: 菜鳥show 於 2022-03-30 22:24:15 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

www.usatoday.com/story/travel/cruises/2022/03/30/cdc-covid-cruise-travel-risk-assessment/7214943001/

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.