Job Recruitment Website - Immigration policy - What's wrong with living in America for a long time and not immigrating?

What's wrong with living in America for a long time and not immigrating?

There are several situations,

1。 It is the green card mentioned above. Holding an American green card means having permanent residency in the United States. You can legally live or leave the United States, but you are still a citizen of China.

2。 Is to obtain various visas, such as the most common F- 1 study visa. If a person has been studying in the United States since high school until he graduates with a doctor's degree, it is about 13, during which he can legally stay in the United States with an F- 1 visa. In this case, he is still a citizen of China, with only an American visa.

3。 Black is in America. This means that legally speaking, this person should not stay in the United States, but he lives illegally in the United States by wandering around Chinatown. In this case, he is also a citizen of China.