我可以用Visa Waiver Program 入美90天。但是如果我想待久些,請問8老師和皮老師,我需要申請哪種類型的簽證?
-What is the purpose you visit US? If you want to be a visitor for tour, you may apply for the B-2 visa in the US Consulate in your country, which allows you to stay in US for up to 6 months, and it can be extended.