别指望在加拿大办美签了,人家网站上写的很清楚: # Y/ W3 j W+ p' q9 s - W7 z, c3 h/ S5 w+ E1 ]/ q6 Ghttp://www.consular.canada.usembassy.gov/usa_visa.asp 里的:, C$ W2 m3 C: t" F x9 D! y& y
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"Important Notice for Applicants with a Visitor's Permit to Canada4 [4 D, `6 {" p f# s
+ I" P. z% ^0 X$ gWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."