我最后决定发放签证，但做出限制，规定亚当斯在三天的逗留期内不得从事筹款活动，也不得到纽约以外的地方走动。
I decided to issue it, but to restrict it so that Adams couldn't do any fund-raising or travel outside New York during his three-day stay.
非移民工人短暂的逗留美国，在美国只能被限制从事他们在签证上说明的原因上的活动。
Nonimmigrants enter the United States for a temporary period of time, and once in the United States, are restricted to the activity or reason for which their nonimmigrant visa was issued.
一些人使用旅行签证，坐飞机进入迁入国，并且长时间逗留。
应用推荐