•Book by August 1, 2011 11:59, from your city of departure. & d1 m P; k! R L& S+ ]& m•Valid for travel between July 27 and October 31, 2011 4 a, T: i7 _9 q; R具体内容自己看吧1 d. ^' T9 D/ F# J! I9 T% I http://www.aircanada.com/en/offe ... t/asiadiscount.html