别指望在加拿大办美签了,人家网站上写的很清楚: + m" m6 {$ F) W2 d+ b9 E8 E ( z7 M( `; l, x1 t. _http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: ' H: p1 S/ { x6 f' d+ {$ N3 Q; h. z
"Important Notice for Applicants with a Visitor's Permit to Canada* q7 l/ Y- i Y2 L
; ]2 e. r; p$ Z2 | y% [- PWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."