•Book by August 1, 2011 11:59, from your city of departure. " S. h; I% \* E7 z0 t" ?. C/ o•Valid for travel between July 27 and October 31, 2011 8 R# S# r0 A; G% A9 s具体内容自己看吧, d8 m( Q$ r) s; _5 f' I http://www.aircanada.com/en/offe ... t/asiadiscount.html