USA的全写是United States of America阿美利坚合众共和国,一般人又简称之为United States美国,而很多美国人就说The States. 举例说：Are you in the States now?你现在在美国吗?而不会说Are you in the United States now?如果说单数的话,通常是在同一州的人和对方说话,譬如说大家都是加州Califonia State的人,就会说I'm not in the state right now, I'm traveling in Washington State
