Whether writing a demand letter to a contract breacher, an advice letter to a client, or a cover letter to a court clerk, the letter fails if the person receiving it cannot understand what it says.

• 其实，不管是给违约者的正式请求书、给客户的意见书，还是给法院书记员的说明书，只要收信人不能理解其说了些什么，那这样的律师函是不合格的。