别指望在加拿大办美签了,人家网站上写的很清楚: ) t" t" E$ `2 x# o' J3 G+ C8 c
9 x( `0 F8 B0 c1 b: z& Z! w9 y http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: ) K# t/ S f/ b; ]; b8 H" o- @* n ! @7 o- T: ~ \2 q"Important Notice for Applicants with a Visitor's Permit to Canada 6 a$ Q, N0 j6 F2 R7 t0 d' i3 c- q; T6 i
With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."