What should I pay attention to when traveling to America?

Be sure to pay attention to the visa officer's questions during the interview. Don't answer irrelevant questions. Don't answer in English. Be natural and graceful. Look at the visa officer's face when answering questions. {This is very important} Don't be nervous at all. Try to relax yourself. When we go to the interview in a moment, it will go smoothly. I wish you a successful interview. .