Unprevalent
无用的, 无效的
🗣️ 情景例句
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
So many countries, so many customs.
一个国家有一个国家的风俗。
An all-night party on New Year's Eve provided me with a good excuse for not carrying out either of these new resolutions on the first day of the year,
新年除夕举办的一次通宵晚会，使我理直气壮地在新年头一天免去了这两项任务。