别指望在加拿大办美签了,人家网站上写的很清楚: & e8 k- j9 ^7 p4 R
8 l) x7 p" B% y z$ n8 d http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:0 }. j" f! `1 i" _0 c
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"Important Notice for Applicants with a Visitor's Permit to Canada 3 X# x( X) m- J" h ) H& L9 U1 s+ J) `3 K' @) iWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."