回複：I-485 Pending, 我想放棄I-485回國工作,兒子在讀大學. 請教大

I asked xiaobaitu earlier. If the I-485 is not employer sponsored, such as NIW, you can file I-824, and wait in China.

Here is site that provides some detailed info. You can always consult a lawyer.

http://www.immihelp.com/greencard/adjustment-of-status-vs-consular-processing.html