documentary collection的用法和样例：
例句
- There are two kinds of international collections, clean and documentary.
国际托收有两种，即光票托收和跟单托收。 - I think a documentary collection is the collection of a sum due from a buyer by a bank acting on behalf of a seller against delivery of certain documents.
我认为跟单托收就是由银行代卖方凭单据向买方收取应收的款项。
