Chinese pronunciation lookup
书面
Said in one Chinese podcast line.
口头的或书面的通知
Oral or written notice

有聲好書(普通話版)中國現代作家選集 老舍 (第二十一集 完結篇)
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Chinese books and courses on Amazon (affiliate link).