别指望在加拿大办美签了,人家网站上写的很清楚: % S1 U6 z; ?/ t) \5 H% o + Q3 B6 {: C7 K" t4 R, E6 W( hhttp://www.consular.canada.usembassy.gov/usa_visa.asp 里的: & q5 U; D& ^0 V+ [5 {9 }: f 8 r* ~" d4 o' j; ?! w: ]"Important Notice for Applicants with a Visitor's Permit to Canada 3 ]0 x: s8 Q* Q; u2 i 1 @5 b0 W( ]( ]& OWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."