问题描述：
一、简介
备忘录是一种录以备忘的公文。在公文函件中，它的等级是比较低的，主要用来提醒、督促对方，或就某个问题提出自己的意见或看法。在业务上，它一般用来补充正式文件的不足。它的内容可以分为以下几项.
二、注意事项
书端部分包括发文机关的名称、地址、发文日期，有的还包括电报挂号、电传号、电话号码等。许多机关有自己特制的信笺，在写书端时，其格式和标点符号的使用与一般信件的相同。收文人(或收文单位)的姓名、头衔、地址一项写在左上角编号处的下面，其格式与书信的写法相同。
称呼从左边顶格写起，对一般机关、团体的负责人一般用 Dear Sir， 对政府官员可用 Sir。
“事因”一项目前采用得较少。它可放在称呼语之前，也可放在其后，前面可加 Re或Docket, Subject。如果此项写在称呼语之前，多从左边的顶格写起；若放在称呼语之后，一般写在信笺正中。它多采用不完整的句子，只需很少几个词，甚至一个词，目的在于使收文人对文中的主要内容一目了然，便于及时处理。
正文、结束语和署名等项与一般信件的格式相同。
三、介绍信
正式介绍信是写信人因公务把自己的同事或业务关系介绍给某单位或某个人。 这种介绍信言和格式比较规范、严谨， 内容一般包括以下几个方面：
（1）简单地介绍一下被介绍人的身份和情况。
（2）说明事由，并要求对方对被介绍人提供某种帮助。
（3）对对方的帮助预先表示感谢。
（4）如果是熟悉的业务往来或老的工作关系，也可以附带询问一下工作上的近况和向对方致以问候。
（5）介绍信一般篇幅不长，前三个方面的内容常常可以放在一个段落里。
四、慰问信
慰问信一定要注意措词和语气。下面是写慰问信需要注意的几点.
下面是一封悼念业务伙伴的慰问信，可供参考.
potter_lover您好,我不是做翻译工作的.百渡知道是大家解疑答惑的平台,谁知道答案就可以回答,无论是否被采纳,每个人都会感谢你的关注,前提是回答内容和主题相关.请问你对我问题发表的言论对我有帮助吗???
问题解答：
你是做翻译工作的吗
如果是，那这是你的任务，就不要寻求外人的帮助
I. Introduction
Memorandum is a recorded reminder to the documents. In the documents in the letter, it is relatively low levels, mainly to remind and urge each other on an issue or voice their opinions or views. In the business, it is generally used to supplement the inadequacy of official documents. Its contents can be divided into the following.
Second, pay attention to matters
On the side of the authorities issued a document including the name, address, date of documents issued, and some also include Dianbaoguahao, telex, telephone number. Many institutions have their own special emblems, in the book end, its format and the use of punctuation in the same general letter. To the literati (or units or text) the name, title, address, a code written in the upper left corner, below, its format and wording of the same letters.
Call from the left top grid writing, the general agencies, groups of people responsible for general use Dear Sir, Sir available to government officials.
"Is a matter for" a current less. It can be called on the words, but also later on, or ahead Docket Re available, Subject. If the name written in the language, and more from the left from the top grid write; if called on after the words, the general wrote in the center letterhead. Its use of incomplete sentences, only very few words, or even one word, the objective is to make the text of the literati at the main content at a glance, to facilitate the timely processing.
Text, and the concluding remarks等项signed with the general format of the same letter.
Third, introduction letter
Official who wrote a letter of recommendation for their own business colleagues or business relationship introduced to a unit or an individual. This letter of relatively standardized format to discuss peace, rigorous, content generally include the following:
(1) simply introduced by the references to the identity and circumstances.
(2) the subject matter, and ask for the referrals to provide some help.
(3) the other side expressed thanks for the help in advance.
(4) If the business or familiar with the work of the old relations, and also can be asked to work with the current situation and extended greetings to each other.
(5) general letter of space not long before the three aspects of the often can be placed in a paragraph.
4. Condolences to the letter
Condolences letter must pay attention to the wording and tone. Below is the letter written condolences to the attention of the needs of a few.
Below is a memory business partners condolences to the letter, for reference.
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