别指望在加拿大办美签了,人家网站上写的很清楚: , q5 W+ t, y, j6 Y K
0 v* u6 x4 `! j6 A0 ]. C3 U http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: 8 d+ |1 q: p* S; B3 I, g. X3 u4 U" H4 w& ?5 \
"Important Notice for Applicants with a Visitor's Permit to Canada $ \7 p( n( l! |/ |9 P3 Y. q3 R9 f
With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."