【释义】
further to sth, [written formal] used in letters to mention a previous letter, conversation etc about the same matter
关于某事〔用于书信,提及上次有关同一事情的信件、谈话等〕:
【例句】
Further to your letter of February 5th, we can confirm your order.
关于贵方 2 月 5 日来函,我们确认贵方之订单。