英语口语8000句-(36)商业信函用语正文部分●抱怨 英语口语8000句-(36)商业信函用语正文部分●抱怨We are sorry to inform you that... We very much regret to have to remind you of... We invite your attention to...We would like to call your attention to...May we r 教育资源 2022年05月30日 0 点赞 0 评论 228 浏览