别指望在加拿大办美签了,人家网站上写的很清楚: , ^3 f& g% H3 e/ H0 l7 r 2 ^1 T. J3 ?/ F& M+ Dhttp://www.consular.canada.usembassy.gov/usa_visa.asp 里的: 8 S9 u1 I5 s3 N0 B: x / M4 i) Q7 |) a"Important Notice for Applicants with a Visitor's Permit to Canada 9 h1 g! k! e$ V: a8 W$ G& Y4 z9 ]8 m; N# E$ t
With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."