This document provides tips for writing good business emails. It explains that emails are important for professional communication and coordination. While emails help connect people, unclear messages can cause confusion. The document then lists four tips for writing clearly: use an appropriate greeting like "Dear" followed by the person's name; include a clear opening sentence; inform the recipient if attaching a file; and include a closing that indicates what response you want, like "looking forward to your reply." Finally, it emphasizes learning and properly applying English communication skills in business emails.