别指望在加拿大办美签了,人家网站上写的很清楚: ) W$ F/ T7 _! M ! e& U# G$ Z% B1 vhttp://www.consular.canada.usembassy.gov/usa_visa.asp 里的: ! O1 x% ~; T t" b 4 g, N. |( o/ M"Important Notice for Applicants with a Visitor's Permit to Canada) v' V) K. o3 l. m# B$ a
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With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."