别指望在加拿大办美签了,人家网站上写的很清楚: & j* c) `/ S" Q# q& Z, s5 s. W$ e- V http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:- Y/ |' A5 m8 e- b7 q
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"Important Notice for Applicants with a Visitor's Permit to Canada , w- a" y! m8 Q$ D. Y/ [" l- a3 o ; [) A, n ]9 Y) A! FWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."