Underaging
时效不足
🗣️ 情景例句
My little boy is having a school play tonight, I don't want to miss it.
我的小儿子今晚会参加学校的戏剧表演，我不想错过了。
The creditor has always a better memory than the detor.
放债人的记性比借债人好。
Tom's birthday is this week.
汤姆的生日就在这个星期。