I had one boss who once told us from the beginning, " the titles of your emails have to be action-oriented; urgent request, approval request, for your review and consideration, FYI."

我有一位老板从一开始就告诉我们，你的电子邮件的标题必须是以行动为导向的；紧急请求，批准请求，供您审查和考虑，仅供参考。