抄録
It is often difficult for foreigners to understand a requirements that is translated from Japanese to a foreign language. Some of the difficulties are caused translation but some of them are caused uncleanness of original Japanese documents. The uncleanness of original Japanese documents are derived from 5 Japanese features.
In this paper, I will explain the reasons among uncleanness and 5 features and how to write requirements definition documents in Japanese to avoid misunderstanding.