necessary document

• 必要的单证

necessary document的用法和样例：

例句

1. This will be resolved by commercial willingness or by commercial unwillingness to regard a CT document issued by any particular CTO as a worthwhile document.
   这个问题要根据商业上有没有把任何特定的多式联运经营人签发的多式联运单证视为有价值的单证。