别指望在加拿大办美签了,人家网站上写的很清楚: ; E: b9 T- ` A% B5 a
9 q7 c3 t! @1 ^ http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:- H8 e6 D5 H% e4 J
. V7 _! S N; S. J. M
"Important Notice for Applicants with a Visitor's Permit to Canada " ^1 q1 K1 o9 {2 k' O) M/ \7 n- G; a
With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."