别指望在加拿大办美签了,人家网站上写的很清楚: ! h$ v" e0 y; T+ d" K) Z8 [, N- o( @" Q- L% T; [ http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: - y- m+ B/ [. B0 n: Y # x; f# Z6 b0 t"Important Notice for Applicants with a Visitor's Permit to Canada( ^# o6 H4 ? q: z3 b; c C
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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."