Before you read
Subject: Historical customs and navigation-aid job titles
Reference text and retained source material
The reference concerned Chinese–English names of posts in historical customs and navigation-aid organizations. Institutional context matters because a modern job title may not describe the authority or function of an older post.
Language and reading: using this material
Compare wording, tone and information order across complete passages. Positions, prices, policies, exams and statistics retain their original context and should be verified before practical use.
