Introduction前言 Needs analysis需求分析 Learning journal学习日志 Unit 1 Getting started邮件开头 Unit 2 Structuring your message合理安排邮件内容 Unit 3 Being clear and concise语言简洁明了 Unit 4 Choosing the right level of formality选对正式程度 Unit 5 Getting the tone right语气恰当 Unit 6 Checking before you send发送前检查 Resources学习材料 Transcripts and answer keys录音文本及参考答案
