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
I speak the Shanghai dialect and the Mandarin.
我会讲上海话，普通话。
I worked at the grocery store yesterday.
我昨天在杂货店工作。
to discover whether they are mentally ill more often than other people are.
看一看他们是否比其他人更易患精神病。