找到美式版本，US Department of State 的网站链结里面的 Information about Translating Foreign Documents
Certification by Translator
I [typed name], certify that I am fluent (conversant) in the English and ________ languages, and that the above/attached document is an accurate translation of the document attached entitled ______________________________.
Date Typed Name
The excerpt below is from the N-400 application instructions. The instructions do not specifically state that translations must be notarized; however, in my experience, the certification of the translator’s credentials is usually notarized.