别指望在加拿大办美签了,人家网站上写的很清楚: 2 B+ O7 o, E. ` d! ?( d& n* U0 M2 J' V3 l1 C http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: & [" y* N* T! |6 ^- Q8 [ 2 P; R" Z& P: ^( l W8 x$ |"Important Notice for Applicants with a Visitor's Permit to Canada" Z2 {" A1 j' H' ?+ U/ k3 o
& i* L1 P/ C" j4 C) ?, lWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."