unwritten
US /ʌnˈrɪt̬.ən/
UK /ʌnˈrɪt.ən/
形容詞
不成文的, 口頭的
not written down or recorded
範例:
•
There's an unwritten rule that you don't talk about politics at family dinners.
有一條不成文的規定，家庭聚餐時不要談論政治。
•
The history of the tribe was passed down through unwritten stories and songs.
部落的歷史通過口頭故事和歌曲傳承下來。