•Book by August 1, 2011 11:59, from your city of departure. $ v$ R8 T, b+ l' f& t& ~) U•Valid for travel between July 27 and October 31, 2011 6 t" _: u3 y4 I# Q3 N- w1 C具体内容自己看吧& e6 H% _$ e7 z3 _' n% s* ~: m http://www.aircanada.com/en/offe ... t/asiadiscount.html