evidential document的用法和樣例：
例句
- The lawyer worked to document his case.
那位律師為他的案件提供證據。 - Evidence clarifying a document but not deriving from the document itself is evidence aliunde.
非源出文件本身的證據是旁證。 - This document on file is the voucher of this transaction.
這張存照是我們本次交易的憑證。 - In international trade,a sales confirmation is a document regarded as a contract.
在國際貿易中，售貨確認書可作為合同的憑證。
