请问拿到美国B1/B2签证 却一直没有来美国,过一俩年后再来美国会被拒入境吗 (会有这样的风险吗)?
-No problem. But you need to enroll EVUS before you come to US. See:
https://www.cbp.gov/travel/international-visitors/electronic-visa-update-system-evus/frequently-asked-questions
还是说拿到签证就要起码来美一次。
-No.
谢谢