别指望在加拿大办美签了,人家网站上写的很清楚: % |, I: l( z: L& S0 [ / y) u/ F- [& b) Q6 G5 bhttp://www.consular.canada.usembassy.gov/usa_visa.asp 里的: $ p3 ]- {! B) S * L! m% z4 \% v! Q' x4 |"Important Notice for Applicants with a Visitor's Permit to Canada. L. l5 s7 W# }5 k- G/ h
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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."