WASHINGTON, July 1 (Xinhua) -- The United States Agency for International Development (USAID) officially shut down on Tuesday, which was criticized by former U.S. Presidents Barack Obama and George W.

The U.S. Justice Department on Monday sued the City of Los Angeles, Mayor Karen Bass, and the City Council, asking a federal ...

签证的“撤销”或“取消”是由美国国务院执行的，指的是作废个人护照中已签发的签证印章。一旦被撤销，该签证将无法再用于进入美国，不论其原定的有效期为何时。学生通常会从美国大使馆或领事馆收到签证被撤销的通知，但大学一般不会接到相关通报。