英语口语8000句-(35)商业信函用语引言部分●从来信中得知 英语口语8000句-(35)商业信函用语引言部分●从来信中得知We are happy to learn from your letter that...From your letter we have learned that... We regret to learn from your letter that...We are really sorry to learn from 教育资源 2022年05月30日 0 点赞 0 评论 240 浏览