公文是推动实际事务活动的工具,公文写作的质量关系到整体工作的效率,因此,公文较其他文种更需讲求语言的精确性和语义的单一性。但这并不排斥公文语言还存在着不确定性的方面,有时公文中同样需要运用无法确定其外延的模糊性语词。 模糊性语词不等于含糊不清、混淆原则,而是表现在事物的定性上是确定的,而在定量上是不确定的,或无法确定的。模糊性语词在公文中的合理存在 Official documents are tools to promote practical business activities. The quality of official documents relates to the efficiency of the overall work. Therefore, the official documents require more accuracy and semantic unity than other languages. However, this does not exclude the fact that there are still some uncertainties in the language of the official document. Sometimes, the official document also needs to use fuzzily words whose extension can not be determined. Ambiguous words do not mean ambiguous, confusing principles, but performance in the qualitative determination of things, but quantitatively uncertain or indefinable. Reasonable existence of ambiguous words in official documents