别指望在加拿大办美签了,人家网站上写的很清楚: ! M" R7 [- M& y8 F
3 d- J2 J+ [2 l+ [1 `8 ^2 U$ x5 T9 l http://www.consular.canada.usembassy.gov/usa_visa.asp 里的: 0 U5 o3 U6 O- t* l" f8 C2 L" @! |1 h9 c0 ]; u
"Important Notice for Applicants with a Visitor's Permit to Canada * ~# O' u4 D* R$ D' ?8 O) Z % [) A$ D7 X% T/ z6 aWith rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."