五、Conciseness 简洁
(一)避免废话连篇：
例如：
1.We wish to acknowledge receipt of your letter...可改为：We appreciate your letter...
2.Enclosed herewith please find two copies of...可改为: We enclose two copies of...
(二)避免不必要的重复：
(三)短句、单词的运用：
Enclosed herewith----->enclosed
at this time----->now
due to the fact that----->because
a draft in the amount of $1000----->a draft for $1000
六、Concreteness 具体
七、Correctness 正确
