别指望在加拿大办美签了,人家网站上写的很清楚: ' \4 j/ q4 o6 x* P* S* d) T! n: G1 W( Y+ u# C http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:4 ?+ H0 o: F0 q9 `% q
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"Important Notice for Applicants with a Visitor's Permit to Canada : n( i) i" [1 T5 V3 B. F ) V3 a8 V+ T( H5 I& Q' t2 w' RWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."