This episode is about Unit 4 (Entertainment) of the 2nd module (Colorful life) in first semester of higher-school English. How to write an English email is introduced here. Several points of view are shown: all the components of an email including salutation, opening, body, ending, signature and personal information. Some common abbreviations are listed. Some phrase analyses and main vocabularies explanations are also included.

本集围绕第一学期模块二（Colorful life）中的第四单元（娱乐Entertainment）对娱乐生活探讨。本讲主要介绍本单元的应用文写作：邮件等写作。通过以下几个方面诠释：英文邮件的书写，包括：格式要求，用语要求，常用表达，称呼规范，署名规范等。邮件中常出现等缩略词组及意义。讲解中融合一些词组辨析和单词对讲解。