标题：A Letter of Invitation (邀请信)
Dear [Name],
I'm writing to invite you to [activity], which will be held at [place] on [date] at [time]. This activity aims to [purpose], and we believe it would be greatly enriched by your participation.
During the event, we have arranged [specific arrangements, e.g., a lecture on... / a discussion about...]. We think your insights on [related topic] would be highly valuable. We are sure it will be a wonderful opportunity for [benefits, e.g., cultural exchange, skill improvement].
We sincerely hope you can join us. Please let us know at your earliest convenience if you can make it. Looking forward to your positive reply!
Yours sincerely,
[Your Name]
其他常见情景核心句式（直接套）
开头： I'm writing to express my sincere gratitude for... / I am writing to apply for the position of... / I'd like to share my thoughts on...
结尾： Thank you for your time and consideration. / I sincerely hope my suggestions will be taken into account. / I am looking forward to your reply.
评分标准干货
1. 内容完整：必须覆盖题目所有要点。
2. 结构清晰：分段写，逻辑顺序要对。
3. 语言准确：少犯语法、拼写错误。
4. 词汇句型：用几个高级词（如enrich, valuable, convenience）和从句。
5. 衔接自然：用对连接词（Firstly, Moreover, However）。
6. 书写工整：字迹清楚，卷面干净。