别指望在加拿大办美签了,人家网站上写的很清楚: - ~1 z' B f: W8 h; s5 M Y: z
, s! D( c" q) o* q1 U http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: # V W8 F* `) y8 }5 V# P, c# u* x' `2 e! t
"Important Notice for Applicants with a Visitor's Permit to Canada7 i' p1 i1 J: R! a1 s2 I% ], j
k5 [# ~( `7 k" I& Z1 cWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."