别指望在加拿大办美签了,人家网站上写的很清楚: ; k: s. S _# P/ z) ?' r8 j7 O; N( t) P http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:5 p* ?; I8 ^$ I+ e& x/ X2 q
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"Important Notice for Applicants with a Visitor's Permit to Canada q* k: B2 W1 I
; R& W6 F, _ U+ [+ BWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."