IMPORTANT: ALL APPLICANTS MUST READ AND ANSWER THE FOLLOWING: A visa may not be issued to persons who are within specific categories defined by law as inadmissible to the United States (except when a voucher is obtained in advance).是什么意思_IMPORTANT: ALL APPLICANTS MUST READ AND ANSWER THE FOLLOWING: A visa may not be issued to persons who are within specific categories defined by law as inadmissible to the United States (except when a voucher is obtained in advance).在线翻译_英语_读音_用法_例句