Wef
abbr. with effect from 有…的影响（或作用，效果）
📖 牛津释义
wef
abbr
缩写 = (esp commerce 尤用於商业) with effect from 自...起生效
wef 1 May 1986 自1986年5月1日起生效.
🗣️ 情景例句
What do you do when you are not working?
工作之余你有什么消遣活动？
Was I supposed to help you today?
今天我想帮你忙。
Ow!
啊哟！