voucher
US /ˈvaʊ.tʃɚ/
UK /ˈvaʊ.tʃɚ/

1.
1.
證明, 擔保
to confirm or support something with evidence
:
•
His testimony will voucher for her innocence.
他的證詞將證明她的清白。
•
Can you voucher for the authenticity of this document?
你能證明這份文件的真實性嗎?
證明, 擔保
to confirm or support something with evidence