别指望在加拿大办美签了,人家网站上写的很清楚: , z* N% R& R, A* S- R; C" r+ h4 i2 J; B1 g. R3 t http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: 8 Q0 f0 J/ Q; O- m - Y: R- K% P7 Z$ ]7 u5 m9 V: a# e"Important Notice for Applicants with a Visitor's Permit to Canada, M! U+ `$ C4 b; S5 d' L
; c1 j! c! K( w' X
With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."