母親的離婚證需要到國內公證處做離婚公證嗎？
還是自己翻譯成英文，到銀行notarize 就行。
-Yes, you can ask your friend to translate it for you. But if you ask your friend to do it for you, you need to follow the format which is accepted by USCIS, e.g. certification by the translator must be included. Read these links:
http://www.uscis.gov/forms/forms-and-fees/general-tips-assembling-applications-mailing
http://www.nolo.com/legal-encyclopedia/free-books/fiance-marriage-visa-book/chapter4-14.html
https://www.legallanguage.com/legal-articles/uscis-translation/
http://www.immihelp.com/immigration/document-english-translation.html
Here is the USCIS Foreign Documents Translation Service website ($27/Page):
http://uscistranslation.org/
