想问一下,如果办移民,在这期间会不会影响以后的入境(旅游签证)。
-It should be fine for her to visit you even if after you file I-130.
还有,哪位前辈有办过兄弟姐妹移民的,可否分享一下双方都需要准备哪些材料。
-You just need to file I-130 at this point following the I-130 Instructions. You also can google to find the checklist.