准备带妈妈坐去加勒比的cruise。妈妈的multi-entry 的visa已经过期,I-94仍然有效。请问可以出境旅游吗? -No unless she visits Canada/Mexico only and will return to US within 30 days. She can not 去加勒比的cruise because her B2 visa has expired. 有效的I-94可以确保回美没问题吗?谢谢。