the original book from which an expression comes

• 书证

the original book from which an expression comes的用法和样例：

例句

1. Circumstantial evidence consists of information gleaned from witnesses and documents that point to an individual as the perpetrator of a crime.
   间接证据包括通过证人收集的信息以及指向某一个人为罪犯的书证。
2. This paper lists and categorizes these characters with their documentary examples, and then it reveals the origin of their formation and discusses the methods of handling them.
   本文将常见的这些字分门别类列出并附书证，然后分析出现这种情况的原因，论述处理的办法。