supporting documents

• 辅助文件

supporting documents的用法和样例：

例句

1. If your account is established using faxed or emailed documents, we do ask you to send in the original documents as soon as possible.
   如果您使用传真件或电子邮件方式申请的帐户，请您尽快将申请表格原件及其它有关辅助文件寄到史考特证券公司。