别指望在加拿大办美签了,人家网站上写的很清楚: " C. U' X$ w7 J2 H: M) `7 G4 X
7 S% N) W1 X6 @ I/ ~+ F& ?" [% n& Whttp://www.consular.canada.usembassy.gov/usa_visa.asp 里的: ' m) z$ J! |( ^* r) x! c" J. B2 ^4 N! u5 ~: L
"Important Notice for Applicants with a Visitor's Permit to Canada 9 E0 l# t' ~+ k; H 3 ?% b) I- p) v& y5 V4 tWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."