别指望在加拿大办美签了,人家网站上写的很清楚: " z* s( V9 K: l" k. d8 d' T" w4 l( z1 {: G4 `2 Z3 } http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: ! r& i$ \ b: e5 J; n8 A* }% W$ C+ p% S( I% m. ^# ~$ n; P
"Important Notice for Applicants with a Visitor's Permit to Canada2 g. l" a0 a2 l& `) |) P
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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."