In those days, CCK's travels were top secret. Guardians 'family members couldn't ask or speak about them. Even fellow Guardians didn't really know where or when CCK was traveling, especially if the trip were to one of the outlying islands.
在當時，與經國先生有關的行程，屬於機密等級最高的「絕對機密」，不僅家人不能聞問，即使同袍之間，對於出訪的勤務，尤其是到外島，也不甚知道。