著名的7C原则：

　　Clarity清楚、Correctness准确、conciseness简洁、completeness完整、courtesy礼貌、concreteness具体、consideration体贴。

　　注意：在商务函件中，传达的内容和传达的方式同等重要。

　　原则三Correctness 准确

　　“准确”指没有错误：即数据、陈述和意见都准确清晰。此外，“准确”还指撰写人在拼写、语法、标点以及格式上都没有问题。

　　试一试完善以下例句~

　　1.Well chosen words are likely to be short and natural words.

　　2.The principals of effective letters and memorandums are similiar.

　　3.An efficient and concerned personal department builds employee morale.

　　4.The box, together with the baskets, were sent to the shipping room.

　　5.Jim and Paul are good friends of Mary and I.

　　6.In countries where two or more languages co-exist confusion often arises.

　　改善~

　　1.Well-chosen words are likely to be short and natural words.

　　2.The principles of effective letters and memorandums are similar.

　　* principle

　　3.An efficient and concerned Personnel Department builds employee morale.

　　* Personnel

　　4.The box, together with the baskets, was sent to the shipping room.

　　5.Jim and Paul are good friends of Mary and me.

　　6.In countries where two or more languages co-exist, confusion often arises.

　　原则四Conciseness 简洁

　　简洁指在不违背其他C原则的前提下尽量使用最少的的词汇来表达自己的意思。

　　简洁的反面就是Wordiness(冗长)，一般有三种情况：

　　A.circumlocution(委婉迂回)使用过长的表达

　　B.vague qualifiers(模糊修饰语)使用没有意义形容词和副词

　　C.padding(补白)表达没有意义，只是填补空缺

　　改改改~

　　1.I have caused enquiries to be made with a view to establishing the reasons for our inability to supply your order.

　　2.That is really productive meeting.

　　Key:

　　1.I have enquired into the reason why we can’t supply your order.

　　2.That is a productive meeting.

　　How to be concise?

　　1. 一个词替代词组

　　In the near future--soon; will you be kind enough to--please

　　2. 避免一些which/that 从句

　　The receipt that is enclosed documents(V.) your purchase.

　　改The enclosed receipt documents your purchase.

　　3. 同一句话避免使用相同的词汇

　　Please quote your best price for your best quality.

　　改Please quote your lowest price for your best quality.

　　4. 避免无意义的表达

　　Please be advised that your admission statement was received.

　　改Your admission statement was received.

　　5. 避免不必要的介词短语

　　The issue of most relevance is teamwork.

　　改The most relevant issue is teamwork.

　　6. 控制被动语态的使用

　　The total balance due(总额) will be found on page 2 of this report.

　　改The balance due is on page 2 of this report.

　　改You will see the balance due on page 2.