如果是B2签证，会在I-94上写明合法停留时间，这个时间是边境官员给的。如果是F1，J1，停留时间应该是I-20或者是DS-2019决定的，这个时侯只要I-20或者DS-2019有效就可以停留，这种情况就会在I-94上写DS。不同国家或地区的美国使领馆或同一领事馆的不同领事，对签证的有效期或入境次数都有极大的酌处...
What is your I-94 Entry Status? I-94 entry status corresponds to the class of admission you have used to enter US. It is basically the visa type you have used to enter. In the above image, you can see it as B1 and listed under “Class of Admission”.Ask...
B2通常是入境之日起6个月。看你的Class of Admission, 的确是B2的话, 那就是6个月发你的i94查询...
Also, in recent times, the practice of putting a port of entry stamp on the passport is also slowly going away and the whole process is electronic. You will need to check your electronic I-94 online to get to know your immigration ‘status.’ It will be listed as “class of admission...