别指望在加拿大办美签了,人家网站上写的很清楚: & H& T0 z- \ r: g* z; X! G* q3 M/ w) O8 e! f- b http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:& t3 `+ G2 \0 r6 D8 n* T
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"Important Notice for Applicants with a Visitor's Permit to Canada ( x2 M, Y# a8 P. N+ ]; i2 Y 1 y# h. O) F0 v7 s9 ~With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."