Write a formal

1. [The mandatory birthday celebration] is scheduled for [5 November] at [00:00 am].
2. I'm contacting you to [find out more about the ad. you post on reddit].
3. I'm writing to [express my deep condolence for the loss of your family].
4. vocabulary
   • compose 写(邮件)
   • someone in authority 位高权重的人
   • traffic citation 交通罚单
   • concisely 简单明了地
   • crate [kreɪt] 木箱
   • cordially [kɔːdiəli] 真挚地