此後;從那時到現在She left school three years ago and has worked as a nurse ever since. 她三年前畢業,從那時起便一直當護士。
prep.
(常用於現在完成式或過去完成式)自……以來,從……至今I haven't heard from him since last year. 我自去年以來未曾收到過他的信。
conj.
(常用於現在完成式或過去完成式)自……以來,從……至今It's been ten years since they married. 他們結婚到現在已經十年了。She has been living a hard life since her husband died. 自從丈夫死後,她一直過著艱苦的生活。